Expansion valve sizing
Q: If we were to install a 3 ton condenser and a smaller 2.5 t [...]
Two stage coil
Q: I found your address on the internet from a radio broadcast [...]
Why is my house so dusty?
Q: I have a problem with excessive dust use good filters repla [...]
Return Sizing with Filtration
Q: I am installing a new unit and AC air return. What is the c [...]
Return grill sizing
Q: How large does a return air grill need to be? I have 1 ri [...]
Why is my refrigerant line freezing up?
Q: We've noticed out refrigerant line is freezing up at night. [...]
What is the proper return air size and type?
Q: What is the proper size of return for a 3 ton 16 seer unit. [...]
What is the proper return air size for my home?
Q: I have a 1000 sq ft apt with a 1 1/2 ton ac and 40K BTU hea [...]
Is a furnace inside the house safe?
Q: My furnace is inside my house, under the stairs, is this a [...]
When should I replace my old electric heater?
Q: My Electric heater is getting old, but it still works. Whe [...]