Heating, Air Conditioning, Fridge, HVAC/Expert Profile

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Recent Answers from Norval Trimborn

2012-05-19 Air conditioner replacement:

I am not sure what you mean by "dry". Did you purchase only a new condensing (outdoor) unit and not the matching  evaporator (indoor) coil? Both should use the same refrigerant and be sized the same. If

2012-04-25 Wiring AC/Furnace:

Normal wiring would connect R on the thermostat to R on the furnace. G on the thermostat to G on the furnace. W on the thermostat to W on the furnace. Y on  the thermostat to Y on the furnace. You would

2012-04-21 HVAC cleaning...:

If you are talking about an annual clean and check of the air-conditioning for 2 systems you should figure about $100 for the first system and a discount for the 2nd system at the same address. If you

2012-03-22 Coil or Unit Replacement:

Confirming that there is a leak in the evaporator should take less than 1/2 hr. by pressurizing the system with nitrogen and refrigerant and using an electronic leak detector to check for refrigerant in

2012-03-18 Which filter lets less dust thru?:

Because washable filters (mostly electrostatic) are very restrictive to airflow in the system  I would never recommend using them. Most residential systems are designed to operate in a specific total static