Cardinal Heating & Air Conditioning
Sun Prairie, WI
All
$25 OFF First Time Customers.
Expires: April 1, 2026Conditions:First Time Customers.
Offer Features:- Unknown.
How to Redeem:Call 608-470-3876 and mention this coupon when booking.
More Details:https://www.cardinalhvac.com/oregon-electrician/Cardinal Care Club members receive 10% off service repairs.
Expires: April 1, 2026Conditions:Cardinal Care Club membership required.
Offer Features:- Membership required.
How to Redeem:Be an active Cardinal Care Club member to receive discount; mention membership at time of booking.
More Details:https://www.cardinalhvac.com/cardinal-care-club/Enter monthly Yard Sign Contest: company technician places a Cardinal Heating and Air Conditioning sign in your yard; if your name is drawn at the end of the month and the sign is still in your yard you win $100.
Expires: April 1, 2026Conditions:Sign must be placed by the company's service technician and remain in the yard at the time of the monthly drawing to win $100.
Offer Features:- Monthly drawing.
- Technician places sign.
How to Redeem:Automatic entry when a service technician places the sign; winner must still have sign in yard at drawing; winners announced on Facebook.
More Details:https://www.cardinalhvac.com/yard-sign-contest/
Ac Installation
Buy a qualifying AC and get a free furnace (Valid Feb 1 to Mar 31).
Expires: March 31, 2026Conditions:Buy a qualifying AC and get a free furnace. Valid from February 1 to March 31. Coupon must be presented prior to starting job. Cannot be combined with any other offers or discounts. Not valid for trip charge or diagnostic fee. Redeemable for one-time use per household. Valid toward standard pricing only.
Offer Features:- Qualifying AC required.
How to Redeem:GET THIS DEAL. Coupon must be presented prior to starting job.
More Details:https://www.cardinalhvac.com/coupons/Buy a qualifying AC system and get a high-efficiency furnace free. Includes Aprilaire 1210 air cleaner, programmable thermostat, and a 1-year supply of filters. Optional whole-home air purification system available (add-on $1,000+). Total stated value: $2,000-$4,000+ in savings. Available Feb 1 - Mar 31, 2026; early-bird bonus if booked and deposit paid by Feb 28, 2026.
Expires: March 31, 2026Conditions:Purchase a qualifying AC system to receive the free furnace; early-bird add-on requires booking and paying deposit by 2026-02-28.
Offer Features:- Free high-efficiency furnace (valued $800-$3,000); Aprilaire 1210 air cleaner; programmable thermostat; 1-year supply of filters; optional $1,000+ whole-home air purification system.
How to Redeem:Schedule a free estimate, purchase a qualifying AC system and pay deposit; call 608-470-3876 or schedule online. Book and pay deposit by 2026-02-28 to secure early-bird add-on.
More Details:https://www.cardinalhvac.com/two-fur-promotion/Save $25 on AC installation for first-time customers.
Expires: April 1, 2026Conditions:First Time Customers.
Offer Features:- Applies to first-time customers only.
How to Redeem:Call 608-470-3876 or request service online; see more specials.
Garbage Disposal
$25 off first-time customers for garbage disposal and other kitchen plumbing services.
Expires: April 1, 2026Conditions:First Time Customers.
Offer Features:No features mentioned.
How to Redeem:See website coupons and specials; call to redeem.
Outlet, Switch And Gfci Installation And Repair
$25 off for first time customers on outlet, switch, and GFCI installation/repair.
Expires: April 1, 2026Conditions:First Time Customers.
Offer Features:- First time customer discount.
How to Redeem:Call 608-470-3876 to schedule and mention the $25 off coupon.
More Details:https://www.cardinalhvac.com/electrical/gfci-outlet/
Sump Pump
$100 off battery back-up sump pump installation.
Expires: April 3, 2026Conditions:Coupon must be presented prior to starting job. Cannot be combined with any other offers or discounts. Not valid for trip charge or diagnostic fee. Redeemable for one-time use per household. Valid toward standard pricing only.
Offer Features:- Valid toward standard pricing only.
How to Redeem:Present coupon prior to starting job. One-time use per household. Not valid with other offers. Not valid for trip charge or diagnostic fee.
More Details:https://www.cardinalhvac.com/coupons/
Emergency Plumbing Services
Cardinal Care Club members pay $175 for after-hours plumbing diagnostic fee (regularly $220).
Expires: April 1, 2026Conditions:After-hours plumbing diagnostic fee reduced from $220 to $175 for members.
Offer Features:- Reduced after-hours fee.
How to Redeem:Be a Cardinal Care Club member to receive the reduced after-hours diagnostic fee.
More Details:https://www.cardinalhvac.com/cardinal-care-club/
Drain Cleaning
$25 OFF First Time Customers — applies to drain cleaning services (premium drain cleaning, hydro jetting).
Expires: April 1, 2026Conditions:First Time Customers.
Offer Features:- Hydro jetting available.
How to Redeem:Call to request the special or mention the coupon when booking.
More Details:https://www.cardinalhvac.com/stoughton-plumber/
Gas Line
$25 OFF First Time Customers. Save on your gas pipe installation with our coupons and specials.
Expires: April 1, 2026Conditions:First Time Customers.
Offer Features:- Unknown.
How to Redeem:Request service and mention the $25 off coupon when booking.
$25 OFF first-time customers for gas leak detection.
Expires: April 1, 2026Conditions:First Time Customers.
Offer Features:- Unknown.
How to Redeem:Call 608-470-3876 or request service online to redeem.
Backflow Prevention
"$25 OFF backflow prevention services for first-time customers.".
Expires: April 1, 2026Conditions:"First Time Customers".
Offer Features:How to Redeem:"See coupons & specials page or call 608-470-3876 to redeem.".
Water Filtration
$25 OFF first time customers on new water filtration systems.
Expires: April 1, 2026Conditions:First Time Customers.
Offer Features:- Installation discount.
How to Redeem:See more specials on the website or request service.
February special: $100 off professional RO system installation (systems typically $1,200–$2,000). Includes licensed installation and dedicated RO faucet.
Expires: April 1, 2026Conditions:February only; limited installation availability.
Offer Features:- Professional installation.
- 5-year system warranty.
- Lifetime customer support.
How to Redeem:Schedule your free water test and purchase installation during February; call 608-205-8970 or use the online scheduler; subject to availability.
More Details:https://www.cardinalhvac.com/reverse-osmosis/Free professional water quality assessment (a $149 value) when you schedule a water test. On-site testing with results and consultation.
Expires: April 1, 2026Conditions:Schedule in February; limited availability.
Offer Features:- Professional on-site test.
- Results provided.
- Dedicated RO system consultation.
How to Redeem:Schedule a free water test online or call 608-205-8970; mention the February free water test offer.
More Details:https://www.cardinalhvac.com/reverse-osmosis/
Indoor Air Quality Services
Dryer vent cleaning: Member price $178.00 (Non-member $200.00).
Expires: April 1, 2026Conditions:Member price; pricing does NOT include tax.
Offer Features:- Member pricing.
How to Redeem:Be a Cardinal Care Club member to receive the member price; mention membership when booking.
More Details:https://www.cardinalhvac.com/cardinal-care-club/$25 off for first-time customers on indoor air quality services.
Expires: April 1, 2026Conditions:First Time Customers.
Offer Features:- Air filter replacement.
- Air duct cleaning.
- Dehumidifiers.
- UV air sanitizers.
How to Redeem:Mention the $25 off coupon when booking or request via website.
More Details:https://www.cardinalhvac.com/air-quality/#list$25 OFF first time customers on dehumidifier/whole house humidifier services. Save on your dehumidifier replacement with our coupons and specials.
Expires: April 1, 2026Conditions:First Time Customers.
Offer Features:- Coupons.
- First-time-customer offer.
How to Redeem:See more specials on the website or call 608-470-3876 to redeem.
Electrical Troubleshooting And Repair
$25 off for first time customers on electrical services.
Expires: April 1, 2026Conditions:First Time Customers.
Offer Features:- One-time use.
How to Redeem:Call 608-470-3876 and mention this offer to redeem.
More Details:https://www.cardinalhvac.com/electrical/
Ductless Mini-split
$25 off for first-time customers on ductless mini split AC services.
Expires: April 1, 2026Conditions:First Time Customers.
Offer Features:- Unknown.
How to Redeem:Mention the $25 off coupon when booking or call 608-470-3876 to redeem.
Standby Generator Installation And Maintenance
Generator tune-up (includes tune-up kit): Member price $350.00 (Non-member $603.00).
Expires: April 1, 2026Conditions:Member price; pricing does NOT include tax.
Offer Features:- Member pricing.
How to Redeem:Be a Cardinal Care Club member to receive the member price; mention membership when scheduling.
More Details:https://www.cardinalhvac.com/cardinal-care-club/$25 off for first-time customers on whole-home generator installation and services.
Expires: April 1, 2026Conditions:First Time Customers.
Offer Features:- Installation; emergency service; repairs.
How to Redeem:Mention coupon when calling or booking (see specials).
More Details:https://www.cardinalhvac.com/generators/
Hvac Maintenance
$25 off first-time customers for air filter replacement / filter services.
Expires: April 1, 2026Conditions:First Time Customers.
Offer Features:- Unknown.
How to Redeem:Unknown.
Cardinal Care Club members receive one heating and one cooling visit per year at no charge (non-member price listed as $298).
Expires: April 1, 2026Conditions:One heating and one cooling visit per year included for Cardinal Care Club members (non-member price $298).
Offer Features:- One heating and one cooling visit per year.
How to Redeem:Be a Cardinal Care Club member to schedule the included heating and cooling visits.
More Details:https://www.cardinalhvac.com/cardinal-care-club/
Duct Services
Duct cleaning: Member price $1,350.00 (Non-member $1,500.00).
Expires: April 1, 2026Conditions:Member price; pricing does NOT include tax.
Offer Features:- Member pricing.
How to Redeem:Be a Cardinal Care Club member to receive the member price; mention membership when scheduling.
More Details:https://www.cardinalhvac.com/cardinal-care-club/$25 OFF first time customers for air duct cleaning and repairs at Cardinal Heating, Cooling, Plumbing & Electric.
Expires: April 1, 2026Conditions:First Time Customers.
Offer Features:- Applies to air duct cleaning.
How to Redeem:Call 608-470-3876 or request service online and mention the $25 OFF first-time customer coupon.
Hvac Installation
Cardinal Care Club members receive 5% off HVAC equipment replacements (up to $600).
Expires: April 1, 2026Conditions:5% off up to $600; Must be an active member for 6 months to receive equipment discount.
Offer Features:- Membership required.
How to Redeem:Must be an active member for 6 months; membership required at time of purchase.
More Details:https://www.cardinalhvac.com/cardinal-care-club/"Up to $500 rebate for qualifying non-gas, propane, or electric HVAC systems".
Expires: April 1, 2026Conditions:Up to $500 rebate for qualifying non-gas, propane, or electric HVAC systems.
Offer Features:- "rebate program".
How to Redeem:"Contact Cardinal Heating & Air Conditioning to determine system eligibility and how to claim rebates; call 608-470-3876".
Get a free furnace with Cardinal's Two-Fur deal when replacing your AC and furnace.
Expires: April 1, 2026Conditions:With qualifying AC and furnace replacement purchase.
Offer Features:- Free furnace with qualifying replacement.
How to Redeem:Contact Cardinal Heating, Cooling, Plumbing & Electric and mention the 'Two-Fur' deal when scheduling an AC and furnace replacement.
More Details:https://www.cardinalhvac.com/sitemap/
General Plumbing
Save $25 on plumbing services for first-time customers.
Expires: April 1, 2026Conditions:First Time Customers.
Offer Features:- First-time customer discount.
How to Redeem:Call 608-470-3876 and mention this coupon when booking.
More Details:https://www.cardinalhvac.com/plumbing/#listOne complimentary plumbing inspection for Cardinal Care Club members, available upon request.
Expires: April 1, 2026Conditions:Complimentary upon request for Cardinal Care Club members.
Offer Features:- Complimentary inspection for members.
How to Redeem:Request the complimentary plumbing inspection as a Cardinal Care Club member.
More Details:https://www.cardinalhvac.com/cardinal-care-club/"$25 OFF for first-time customers on bathroom renovation and plumbing services.".
Expires: April 1, 2026Conditions:"First Time Customers".
Offer Features:- OfferFeatures_ERROR_BROKEN_JSON_PLACEHOLDER.
How to Redeem:"See coupons and specials on the website or contact to request service; call 608-470-3876.".
Electrical Panel And Service Upgrades
$500 off electrical panel upgrade.
Expires: April 3, 2026Conditions:Coupon must be presented prior to starting job. Cannot be combined with any other offers or discounts. Not valid for trip charge or diagnostic fee. Redeemable for one-time use per household. Valid toward standard pricing only.
Offer Features:- Valid toward standard pricing only.
How to Redeem:Present coupon prior to starting job. One-time use per household. Not valid with other offers. Not valid for trip charge or diagnostic fee.
More Details:https://www.cardinalhvac.com/coupons/
Lighting Installation And Upgrades
$25 OFF for first-time customers on indoor lighting installation and related lighting services.
Expires: April 1, 2026Conditions:First Time Customers.
Offer Features:- Unknown.
How to Redeem:Call 608-470-3876 and mention this offer to redeem.
Pipe Repair
$25 off first-time customers for burst pipe repair.
Expires: April 1, 2026Conditions:First Time Customers.
Offer Features:- First time customer discount.
How to Redeem:Call 608-470-3876 or request service online.
Electrical Safety Inspections
Cardinal Care Club members receive one complimentary electrical inspection (available upon request).
Expires: April 1, 2026Conditions:One complimentary electrical inspection available upon request for Cardinal Care Club members.
Offer Features:- One inspection upon request.
How to Redeem:Request the complimentary electrical inspection as a Cardinal Care Club member.
More Details:https://www.cardinalhvac.com/cardinal-care-club/
Water Heater
Tankless water heater chemical descale and flush: Member price $169.00 (Non-member $199.00).
Expires: April 1, 2026Conditions:Member price; pricing does NOT include tax.
Offer Features:- Member pricing.
How to Redeem:Be a Cardinal Care Club member to receive the member price; mention membership when booking.
More Details:https://www.cardinalhvac.com/cardinal-care-club/$25 off first-time customers for new tankless water heater (see specials).
Expires: April 1, 2026Conditions:First Time Customers.
Offer Features:- Installation.
How to Redeem:See more specials.
Heat Pump
Save on your new heating system. $25 off for first-time customers.
Expires: April 1, 2026Conditions:First Time Customers.
Offer Features:- Unknown.
How to Redeem:Call 608-470-3876 or request service online.
$25 off for first-time customers on heat pump services.
Expires: April 1, 2026Conditions:First Time Customers.
Offer Features:No features mentioned.
How to Redeem:Call 608-470-3876 or request service online; mention this coupon.
More Details:https://www.cardinalhvac.com/heating/heat-pumps/"Up to $2,000 federal tax credit for qualifying electric heat pumps (Inflation Reduction Act)".
Expires: April 1, 2026Conditions:Qualifying electric heat pumps; equipment must meet federal program requirements.
Offer Features:- "federal tax credit".
How to Redeem:"Confirm equipment eligibility and tax credit details with Cardinal Heating & Air Conditioning; call 608-470-3876".
"Up to $1,350 rebate for qualifying heat pumps".
Expires: April 1, 2026Conditions:Qualifying heat pumps; rebate amounts and eligibility vary.
Offer Features:- "rebate program".
How to Redeem:"Contact Cardinal Heating & Air Conditioning to determine rebate eligibility and claim process; call 608-470-3876".
Heating System
Save $25 off first-time customers on your next service call.
Expires: April 1, 2026Conditions:First Time Customers.
Offer Features:- First time customer discount.
How to Redeem:Call us to find out about our specials and coupons.
More Details:https://www.cardinalhvac.com/heating/furnace-repair/$25 off boiler services for first-time customers.
Expires: April 1, 2026Conditions:First Time Customers.
Offer Features:- Unknown.
How to Redeem:Unknown.
$25 OFF First Time Customers for heater installation.
Expires: April 1, 2026Conditions:First time customers.
Offer Features:- First time customer discount.
How to Redeem:Call 608-470-3876 or request service online to redeem; see more specials on site.
More Details:https://www.cardinalhvac.com/heating/installation/"Up to $2,000 federal tax credit for qualifying boilers or electric heating systems".
Expires: April 1, 2026Conditions:Up to $2,000 federal tax credit may apply to qualifying boilers or electric heating systems.
Offer Features:- "federal tax credit".
How to Redeem:"Verify eligibility with Cardinal Heating & Air Conditioning and tax advisors; call 608-470-3876".
Hvac Troubleshooting
After hours HVAC diagnostic fee reduced to $175.00 for Cardinal Care Club members (regular $220.00).
Expires: April 1, 2026Conditions:Member after-hours diagnostic fee.
Offer Features:- Member pricing.
How to Redeem:Be a Cardinal Care Club member to receive reduced after-hours diagnostic fee; mention membership when scheduling.
More Details:https://www.cardinalhvac.com/cardinal-care-club/Cardinal Care Club members pay no dispatch fee for HVAC service (dispatch fee listed as $109 for non-members).
Expires: April 1, 2026Conditions:HVAC dispatch fee waived for Cardinal Care Club members.
Offer Features:- Dispatch fee waived.
How to Redeem:Be a Cardinal Care Club member to have the HVAC dispatch fee waived.
More Details:https://www.cardinalhvac.com/cardinal-care-club/
Whole-home Surge Protection
$25 off whole-house surge protector installation for first-time customers.
Expires: April 1, 2026Conditions:First Time Customers.
Offer Features:- Installation included.
How to Redeem:Call 608-470-3876 or request service online and mention the $25 off first-time customer offer.
To explore more coupons and offers, visit Cardinal Heating & Air Conditioning