Search Results for ‘hvac’

Hey y’all, I have attached a photo of my ac drain line. From my research this is supposed to have a p trap. Is that correct or is there something going on with this unit that I am not aware of? From the videos I have watched this seems fairly easy to add. I am learning as quickly as possible...

Is it uncommon to sign up for two annual maintenance service contracts? Each one from different company. We own a 3 years old single home, and I just want to keep good care of it. I'm not well verse when it comes to HVAC stuff, so I was thinking what's better than to always have two set of...

I want to replace my central HVAC thermostat with one that can be monitored and changed via WIFI. It doesn’t need to be programmable because occupancy is not a predictable pattern. My 3-ton single HVAC system is at least 20 years old. I do not want to let the POCO turn off my HVAC due to grid...

I am pretty sure that my 240v -> 24v transformer went out and my HVAC system (heatpump) isn't working. No signal at the thermostat and no voltage on the secondary side of the transformer. I have been looking for a replacement and can't get it right away. However, I could get a simple 120V - 24V...

A friend drilled through my thermostat wire, coiling it up around bit. I fixed the wires but the thermostat doesn't see the Heatpump/AC no voltage across any wires. I checked the blower cabinet and neither the built in breaker was tripped nor was the inline fuse for the transformer. blown I...

In my mechanical closet I currently have a 17.5 inches gas furnace. Between the wall and the duct supply I have 21.5 inches space. I'm looking at installing a heat pump with a 21 inches air handler which should fit but it will be a challenge to place it inside without breaking the wall or...

in a spray foam insulated house(walls,rafters)besides manuel j,s,d)what other things pertaining to hvac such as fresh air etc.should be taken into consideration?

Renting a house in the Houston, TX area. AC keeps temperature at set point, but humidity has gone up to around 70% for several months. It was <50% for a couple of years. There is no dedicated de-humidifier. Landlords are now working at a grocery and can't afford a repair man. Is this a...

I’m trying to find a straight answer. I’m replacing my supply ducting. Water leak rusted them. My question is, What’s the easy way to figure the new plenum? I am going to round. I keep finding different opinions. One says make it the same size as the A coil box. I’m assuming if not actual...

Hi, I have a small question that I can't seem to find an answer for online (unless I am googling something wrong). Overview: I have a TRANE system with a furnace and outside AC/Condenser unit. Few weeks ago, I had a TRANE thermostat, fed non-common wires into a relay panel that connected to the...

What factors should I take into consideration while buying a head pressure control for refrigeration, server rooms and event spaces?

Looking for some help wiring my google nest. A bit confused about the emergency heat, heat pump, and aux. Aslo what should I use as the common? Thanks!

I’m installing a Pioneer 18,000 BTU unit in my workshop. I got the thing mounted and the lines run. Pulled vacuum on the lines for half an our, then let it sit for half an hour to make sure it held vacuum and had no leaks. I used a brand new Amazon special 3.5 CFM vacuum pump with analog...

Hello, and thank you all in advance for your advice. I have a lennox furnace model number GHR26Q3-75-6. I have had a few issues recently I believe are connected and would like advice. Furnace was short cycling, flames on then kicked off after 20 seconds or so. Ruled out thermostat Replaced...

I have seen similar posts, but not finding much of anything. My issue is that my furnace ignites just fine, but shuts down because the blower never turns on. It will repeat this cycle many time until I reset power to the furnace and let it sit for a while. When I fire it back up hours later...

I have a Mr Heater radiant heater in my garage that runs off a simple low voltage thermostat. I would like to add a 120v fan that turns on when the heater kicks on. Do they make a low voltage relay that can take the 16 millivolts my thermostat puts out to switch on a 120v AC circuit?

Howdy. I just replaced my furnace blower motor. I realized these newer motors have more wires with more speed. This motor has Black, Blue, Red, White and the two brown wires. I know the browns go to the capacitor. My white is common/neutral wire. The interesting thing I am running into is, even...

Hello, Son in law rerouted the thermostat wire and did not turn off the power. Now the heat pump isn’t coming on. The wires are correct because a before and after picture was taken and are the same. I’m thinking the wires touched during the re reroute and something tripped or shorted? Help please.

I am interested in installing a smart thermostat, so I am doing some research into my current furnace/AC and thermostat wiring. I moved into the house a year ago and have not changed the wiring. AC seemed to work fine in the summer. Heat worked fine last winter, but in the last month I have...

I have a bedroom with carpeting which for some reason is always dusty- showing up on ceiling fan and is cooler in winter and warmer in summer. I would like to install a quiet, low volume in line duct booster fan which could run full time without worry of overheating or burning too much...