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Coupons

Berlin water heater replacement Coupon
$35 OFF
Performance Heating System Tune-up*
Includes CO Safety Test

*Per system. Cannot be combined with other offers or be applied to Discount Comfort Club or previous purchases. Offer valid through September, 2025.
Berlin water heater replacement Coupon
$50 OFF
Furnace/Boiler
Repair*

*Valid on minimum purchase of $350. Cannot be combined with other offers or be applied to Discount Comfort Club or previous offers. Offer valid through September, 2025.
Berlin water heater replacement Coupon
$100 OFF
Select Water
Heaters*

*Per system. Cannot be combined with other offers. Offer valid through September, 2025.