19917 FM 1485
New Caney, Texas 77357
281-306-7966
281-689-6577 Local
Sunday May 4th, 2025
Current Promotions
Proudly Serving
Porter, Kingwood, Spring, New Caney, Humble, The Woodlands, Splendora, Atascocita, Oakridge, Cleveland, Huffman, Conroe, Houston and the surrounding areas.Why Guy's A/C?
- Locally Owned and Operated Since 1974
- Licensed, Insured and Bonded
- Free Estimates or Second Opinions
- We service ALL makes and models
Home 
Be Informed Common HVAC Terms
Be Informed Common HVAC Terms
Common HVAC Terms
D
| Term | Definition |
|---|---|
| Damper |
A type of 'valve' used in duct work that opens or closes to control air flow. Used in zoning to control the amount of warm or cool air entering certain areas of your home. |
| Downflow |
A type of furnace that takes cool air from the top and blows warm air to the bottom--common where your furnace must be located in a second floor closet or utility area. |