Our Industry Leading Guarantees

We stand behind our work with the best guarantees for your peace of mind!

Technician servicing an outdoor air conditioner

4.7 from 30,600+ Google reviews BBB A+ ratedSince 1971Real people answer any hour

Same Day Service Guarantee or it's Free
Same Day Service Guarantee is only available when requested by customer. Excludes Sunday and Statutory Holidays. Service appointment must be made by 3pm to be eligible for same day guarantee. If service appointment cannot be booked for same day customer will receive the next available service appointment and the $85 dispatch fee will be waived or customer will receive a credit in the equivalent amount toward the cost of quoted repair if the repair is authorized on site. Guarantee is only available in select areas. Four Seasons reserves the right to change or cancel this offer at any time without prior notice. Contact us for details.*
100% Satisfaction Guarantee
Two-year, 100% Satisfaction Guarantee or your money back.* We won't stop until you are 100% Satisfied.
1 Year No Breakdown Guarantee
We guarantee after completing your heating or cooling seasonal tune-up and you completed all recommended repairs, if you experience a breakdown within 1 year we will return free of charge.*
Better Price Guarantee
We're so confident that we offer the best value, we offer a $1,000 Better Price Guarantee. Four Seasons will match all competitors' warranties and guarantees and will beat any quote by up to $1,000 for a furnace and air conditioner. Customer must furnish a copy of competitors bid, prior to install. Equipment must be of comparable size and quality. Competitors cannot use any subcontracted labor. Single units will be beat by up to $500; up to $1,000 for a furnace and air conditioner complete system. Competitor bid must be from a licensed contractor working out of a business location, not a home. Price Guarantee only applies to residential furnaces and air conditioners.*
No Lemon Guarantee
Four Seasons Heating & Air Conditioning will replace your entire furnace unit for NO CHARGE if your heat exchanger fails within 25 years of installation date.*
Heat Exchanger Guarantee
Our service technicians are certified heat exchanger experts and trained to diagnose heat exchanger damage. If our technicians incorrectly diagnose a crack or flaw in your furnace, we will refund all repair costs and install a new Lennox furnace free of charge.*

* Please call for additional information. Our friendly and experienced in-house customer service team is ready to help with all of your questions.

Current coupons

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$89.95 furnace safety inspection and tune-up, regular price $139.95

35+ point furnace safety inspection and tune-up.

Claim coupon: $89.95 furnace safety inspection and tune-up
Ends Nov. 15

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$89.95 price applies to one standard, accessible residential furnace (regular price $139.95). Tune-up is a maintenance inspection and does not include parts, repairs, filters, or refrigerant. Not available on systems that are non-operational or that require repair prior to service; any repairs identified are quoted separately and performed only with homeowner approval. Excludes geothermal, mini-splits, and heat pump systems. The 1-Year No-Breakdown Guarantee applies only to systems that pass inspection at the time of the tune-up and is subject to its own terms; ask for details. Not all systems qualify. Subject to change.
Offers valid through 11/15/26. Available to residential, owner-occupied properties only. Cannot be applied to prior purchases, work already in progress, or invoices/proposals already issued. One offer per household per system unless otherwise noted; offers cannot be combined with each other or with any other discount, coupon, or rebate. Subject to change; equipment availability may vary. Not valid on commercial, new-construction, or multi-family projects. Void where prohibited. Details at FourSeasonsHeatingCooling.com/Details
$50 off any repairs

Any heating, plumbing, sewer, or electric repair.

Claim coupon: $50 off any repairs
Ends Nov. 15

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$50 discount applies to a single repair performed at standard repair pricing. Valid on residential HVAC, plumbing, sewer, and electrical repairs. Repair must be invoiced at standard list pricing and completed during the same visit. Discount does not apply to the service call / diagnostic fee, maintenance visits or tune-ups, estimates, quotes, or second opinions, duct cleaning, or the purchase or installation of new equipment, including furnaces, air conditioners, water heaters, sump pumps, and generators. One discount per household per visit; no cash value. Cannot be combined with any other offer, coupon, or discount. Subject to change.
IL Plumbing License #055-042791, IN Plumbing License #CO51300002
Offers valid through 11/15/26. Available to residential, owner-occupied properties only. Cannot be applied to prior purchases, work already in progress, or invoices/proposals already issued. One offer per household per system unless otherwise noted; offers cannot be combined with each other or with any other discount, coupon, or rebate. Subject to change; equipment availability may vary. Not valid on commercial, new-construction, or multi-family projects. Void where prohibited. Details at FourSeasonsHeatingCooling.com/Details
Up to $5,000 in rebates toward a new furnace and air conditioner combo

In rebates toward a new furnace and air conditioner combo.

Claim coupon: Up to $5,000 in rebates toward a new furnace and air conditioner combo
Ends Nov. 15

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Rebate amount varies by system purchased; the maximum of up to $5,000 in rebates requires purchase and installation of a qualifying Lennox Signature Series furnace and A/C combo. Requires removal of both an existing, in-place furnace and an existing, in-place A/C unit at the same address. Rebates are applied to the installed price at time of sale and have no cash value. Not all systems qualify. Subject to change.
Offers valid through 11/15/26. Available to residential, owner-occupied properties only. Cannot be applied to prior purchases, work already in progress, or invoices/proposals already issued. One offer per household per system unless otherwise noted; offers cannot be combined with each other or with any other discount, coupon, or rebate. Subject to change; equipment availability may vary. Not valid on commercial, new-construction, or multi-family projects. Void where prohibited. Details at FourSeasonsHeatingCooling.com/Details