Our Promotions

Free-10 Year Warranty + $1,000 Off Generac Generator Installation Good through November 7, 2025. Terms and conditions apply. Call for details Expires 11/07/2025

Get up to $1,000 Repair Credit Towards New HVAC System for Current Cassell HVAC Customers! Cannot be coupled with other offers. Exclusions may apply. Residential customers only who have had service since 1/1/25. Expires 11/30/2025

$50 Off On All HVAC, Plumbing, or Electrical Repairs New Customers Only Cannot be coupled with other offers. Exclusions may apply. Residential customers only. Expires 12/31/2025

Get up to a $2,000 Tax Credit for Upgrading to a New Qualifying HVAC System (and get 2 FREE years of our Cassell Comfort Club Membership!) Cannot be coupled with other offers. Exclusions may apply. Residential customers only. Expires 12/31/2025

Traditional Water Heaters Starting at $70/Month for 60 months with approved credit. Exclusions may apply. Residential customers only. Call for details.

$250 Off Any Indoor Air Quality Purchase Cannot be coupled with other offers. Exclusions May Apply.

$50 Off Water Heater Flush - Traditional and Tankless New Water Heaters Only Residential customers only. Can not be coupled with other offers. Exclusions may apply.