Coupons for Northwest Indiana

$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

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

$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

$100 discount applies to standard whole-home duct cleaning; not valid on partial, single-vent, or per-vent cleaning. "Whole home" covers supply registers and return(s) served by one (1) HVAC system in a single-family residence; additional registers, returns, or systems are an additional cost. Free dryer vent cleaning is one standard, accessible dryer vent performed during the same visit as a paid whole-home duct cleaning; does not include chimney or exhaust vents, sanitizing or antimicrobial treatments, coil cleaning, blower or air handler cleaning, filter media, register or grille replacement, or repair of damaged, disconnected, or inaccessible ductwork or venting, which are quoted separately. Requires safe, accessible ductwork; homes with asbestos-containing materials, active mold growth, or duct damage may not qualify and will be evaluated on site. Discount taken at time of service. 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

$39 price applies to one winterization check of a standard, accessible residential non-concealed plumbing system, performed during a single visit. Does not include parts, repairs, or any additional work or services beyond the check itself, which are quoted separately. One check per household. This visit is for potential areas in the home that could be adversely affected by outside temperatures. Four Seasons does not hold any liability on the plumbing system post-check, outside of standard labor guarantee on repaired items. 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

On approved credit; not all applicants qualify. No down payment is required for the 0% APR offer. Advertised payment of $99 per month requires a $2,272 down payment on a $9,400 generator, based on 0% APR for 72 months. Actual monthly payment will vary based on amount financed, equipment selected, site conditions, and creditworthiness. Payment example excludes permits, gas line work, electrical upgrades, concrete pads, and taxes. Terms set by the lender and subject to change.

On approved credit; not all applicants qualify. Minimum purchase of $1,000 required. 0% APR for 72 months with 72 equal monthly payments of $13.88 per $1,000 financed. Financing terms, rates, and available promotions are set by the lender and subject to change without notice. Requires purchase and installation of a qualifying system. Ask for details on all available financing options.

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

$999 starting price does not include the charging unit. Installation must be 25 feet or less from the electrical panel and not underground. Additional cost applies to wiring over 25 feet. Permits, panel upgrades, and correction of pre-existing wiring are quoted separately. 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