Hi, just wondered if anyone knows what kind of gas powered generator would be required to run the above central air conditioner/heater if the electric was to go out? I also will need to run a refridgerator/freezer and fans and coffee pot, microwave (700 Watt), a TV and cable box, modem and router,...

I had a heating problem. Replaced broken coil. Checked all thermostats.everything has continuity. All was working fine. But today dryer stopped heating again. All still check OK for continuity. What else to check?

What's more economical and efficient all round, fitting a reverse cycle airconditioning unit or oil heaters?

Can anyone offer their thoughts on hydronic air heating systems? I currently have a 20+yr old oil fired forced hot air system with a stand alone oil fired hot water tank and would like to replace them with a hydronic air system to produce both heat and hot water at the same time. By removing the...