HVAC Discussions

Which Minisplit A/C -- Midea / AirCon 22 SEER or Mitsubishi 21 SEER

Hi! I'm choosing a 36000 BTU minisplit A/C for a hot climate with high energy costs. The best quotes I've got are a 22...

0 comments posted 1yr

posted by RV

0 comments posted 1yr posted by RV

Central heating only works when hot water is ON

Hi, I have a gravity fed system with 2 separate valves for hot water and central heating. Here's what's happening, and...

0 comments posted 1yr

posted by Allen

0 comments posted 1yr posted by Allen

Recommend best air conditioning system.

I’m looking to upgrade my air conditioning system. What’s your go-to recommendation for the best AC unit? I’d love to h...

0 comments posted 1yr

posted by Brixton 428 Brixton 428

0 comments posted 1yr posted by Brixton 428 Brixton 428

SubZero 661 R134a- How many ounces for freezer and refrigerator compressors

need to determine many ounces (pounds) of R134a are needed to charge the freezer compressor and refrigerator compressor...

0 comments posted 2yrs

posted by Robert

0 comments posted 2yrs posted by Robert

Unvented Hot Water System DIY: Tips and Tools for Installation

Investing in all the essentials is vital to make your living area cosier and more comfortable. Among all the essential...

1 comments posted 3yrs

posted by Amy Warren

1 comments posted 3yrs posted by Amy Warren

hissing steam radiators and spitting water

I live in new york with a wel mclein steam boiler from around 1988, recently we noticed a lot of water being consumed s...

1 comments posted 4yrs

posted by steamguy101

1 comments posted 4yrs posted by steamguy101

Loft insulation: Weighing the Pros and Cons of Foam vs Rigid Board Insulation for Attic Spaces

Anyone able to advise on relative merits of foam vs rigid board for insulation around and under rafters? 1950s house wi...

1 comments posted 4yrs

posted by David Brown

1 comments posted 4yrs posted by David Brown

Getting the Cash: Understanding Cash-Out in Lieu of Repairs (2025 Update)

An ahs agent told me by phone that it is possible to get a cash payment in place of expensive repairs that may not last...

2 comments posted 4yrs

posted by masban@msn.com

2 comments posted 4yrs posted by masban@msn.com

Wiring sparked when removing baseboard heater while main was off

I recently bought a house with old baseboard heaters so I began replacing them one by one. When I started to remove the...

1 comments posted 4yrs

posted by Marcia

1 comments posted 4yrs posted by Marcia

Investigating Backflow Issues in Your Condensate Pump: A Homeowner's Guide

When the condensate pump (Little Giant item #554425 Model # VCMA-20ULS) finishes pumping there's a short pause and then...

1 comments posted 5yrs

posted by Tim

1 comments posted 5yrs posted by Tim

Dealing with an Oil Spill in Your Heating Tank

i accidentally dropped 5 gallons in my heating oil tank. which had about approx. 20 gallons of oil at the bottom.. i ge...

1 comments posted 5yrs

posted by obie69

1 comments posted 5yrs posted by obie69

Thermostat problems

Ok my air conditioner is short cycling. I had someone here the last few days to check everything and he replaced the ts...

1 comments posted 5yrs

posted by Christi

1 comments posted 5yrs posted by Christi

Vacuum pump

Looking to buy a new vacuum pump and was wondering if any of you have used the cordless NAVAC with high capacity hoses...

1 comments posted 5yrs

posted by K Robert

1 comments posted 5yrs posted by K Robert

How does a typical heating system controls work?

I bought a house in Ireland two years ago and I still have some doubts about how the heating system controls should wor...

3 comments posted 5yrs

posted by alexandreverri

3 comments posted 5yrs posted by alexandreverri

Gas furnace flame wont stay on in the night/early morning

had this issue for several years and several techs came out but no fixes. Most of time happens during the mid-night and...

1 comments posted 5yrs

posted by sfcdmu

1 comments posted 5yrs posted by sfcdmu