HEATING AND AIR CONDITIONING

Tuesday, May 8, 2018

Here’s links to a collection of our blog posts about HEATING AND AIR CONDITIONING:

How can I tell the age of a Miller air conditioner or furnace from the serial number?

Is the energy efficiency of the furnace part of the SEER rating of a central air conditioning system?

Why is the base of the gas flue at the roof red?

Why does the "AUX HEAT" (auxiliary heat) light keep coming on at my thermostat, even when it's not that cold outside?

How can I tell the age of a RADCO heat pump or air conditioner from the serial number? 

How do I tell the age of an Armstrong Air furnace or air conditioner from the serial number? 

What is the requirement for a service receptacle outlet for heating, air conditioning, and refrigeration (HACR) equipment?

Does an old air conditioner use more electricity as it ages? 

Where is the air filter for my central air conditioner and furnace? I can’t find it?

How can I tell the age of an Ameristar air conditioner or furnace from the serial number? 

Can I convert a heat pump or air conditioner from R-22 refrigerant to R-410A, or switch R-410A to R-22? 

How can I tell whether the condenser (outdoor unit) is an air conditioner or heat pump?

How can I tell the age of a Sears Kenmore air conditioner from the serial number? 

What is the required clearance for access and working space in front of a furnace or air handler?

 What is a PTAC unit?

What is the difference between an inverter heat pump air conditioner and a conventional one? 

What is the minimum slope of a flue connector for a gas furnace or water heater? 

Will installing a special ultraviolet (UV) light in the air conditioning system kill mold? 

How did homes stay cool in Florida before air conditioning? 

What is the small pipe sticking out of the eaves/soffit under the roof overhang? 

Can I run a window air conditioner on a portable generator?

How much cheaper is it to heat a house with a heat pump versus an electric furnace or baseboard heater? 

What is causing the outdoor unit (condenser) of my air conditioner to shake? 

When is it acceptable to use indoor air as combustion air for a furnace? 

How can I find out the size of my air conditioner? 

How can I find out the age of my air conditioner or furnace?

Why has the thermostat screen gone blank? 

How can I tell the age of a Frigidaire air conditioner or furnace from the serial number? 

How can I tell the age of an Affinity air conditioner or furnace from the serial number? 

Why can't I use my home's central air conditioning system to cool the garage? 

How can I tell the age of a Johnstone air conditioner or furnace from the serial number? 

How can I tell the age of a Trane furnace from the serial number? 

How can I tell the age of an EcoTemp air conditioner or furnace from the serial number? 

How can I tell the age of a FHP (Florida Heat Pump) geothermal heat pump for the serial number? 

How can I tell the age of a Heil air conditioner or furnace from the serial number? 

How can I tell the age of a Janitrol air conditioner or furnace from the serial number? 

How can I tell the age of a Luxaire air conditioner or furnace from the serial number? 

How can I tell the age of a Nordyne air conditioner from the serial number?

How can I tell the age of a Cumberland air conditioner or furnace from the serial number? 

How can I tell the age of an Aire-Flo air conditioner from the serial number? 

How can I tell the age of an Inter-City Products air conditioner or furnace from the serial number? 

How can I tell the age of an International Comfort Products (ICP) air conditioner or furnace from the serial number? 

How can I tell the age of a CAC/BDP or BDP air conditioner or furnace from the serial number? 

How can I tell the age of a Comfortmaker air conditioner or furnace from the serial number?

How can I tell the age of a York air conditioner or furnace from the serial number? 

How can I tell the age of a Ruud air conditioner or furnace from the serial number?

Does the condenser (outdoor unit) SEER rating determine the SEER of an air conditioning system? 

Why is my bathroom vent fan not exhausting enough air? 

How can I determine the age of a Mitsubishi Ductless Mini-Split heat pump from the serial number? 

What is a FanRecycler and AirCycler? 

What is a ductless mini-split air conditioner? 

• Is a furnace allowed in a bedroom, bathroom, or an adjoining closet?

 How can I tell the age of a Thermal Zone air conditioner from the serial number? 

Does a half bathroom (no shower or tub) require an exhaust fan?

What are the building code requirements for installing an air handler in the attic? 

How can tell the age of a Daikin air conditioner from the serial number?

Why does it take so long to cool a house when an air conditioner has been off for a while? 

How can I tell the age of a Ducane air conditioner from the serial number?

Why is using a stud cavity or joist space as a return air duct a bad idea? 

What is a return air plenum for a furnace or air conditioning system?

Why is my air conditioner not cooling enough? 

How can I tell if an air conditioner uses R-22 or R-410A refrigerant?

How can I tell the age of a Xenon air conditioner from the serial number? 

Why do the lights dim when the air conditioner starts up?  

How can I tell the age of a Guardian air conditioner from the serial number?

When does the ban on R-22 air conditioning refrigerant take effect?  

Can the return air be in the same room as the gas furnace?

What color should the flame be in a natural gas furnace?

Why is it bad to have a clothes dryer vent near an air conditioning condenser (outdoor unit)?  

Why does an air conditioner condenser unit need to be level?

How can checking the fireplace damper reduce energy bills year-round? 

Which one is better for a home heating system: electric or natural gas?

How can I tell the age of a Kelvinator air conditioner or furnace from the serial number? 

How can I fix rooms that are too warm or too cold in my mobile home?

How do I tell the age of a Grandaire air conditioner or furnace from the serial number? 

What are the ventilation requirements for bathrooms and kitchens in mobile homes?

What are the most common problems with wall/window air conditioners?  

How do I determine the age of a Trane or American Standard air conditioner?

How can I tell the age of a Carrier air conditioner from the serial number? 

How can I tell the age of a Goodman air conditioner from the serial number?

How can I tell the age of a Bryant air conditioner from the serial number? 

Why is there a wall switch next to the furnace or indoor unit of the air conditioner in the garage?

How can I tell the age of a Lennox air conditioner from the serial number?  

How can I tell the age of a Bard air conditioner from the serial number?

How much will I save on my utility bill if I get a new higher SEER air conditioner? 

Will closing doors reduce my heating and cooling costs?

Should I have a return air vent in the master bedroom?  

What is the purpose of the vent grille over the bedroom door?

What is a jump duct? 

Is it acceptable for an air conditioning condensate drain line to terminate under the house?

Should I remove an old whole house fan or keep it? 

What is the SEER of my old air conditioner?

How can I find out the SEER of my air conditioner? 

What is the best air conditioner for a mobile home?

What size air conditioner is right for my mobile home? 

Why does the air conditioner condensate drain line need a trap in it?

What is the average lifespan of an air conditioner? 

What does the HSPF of a heat pump system mean?

What is an air conditioning heat recovery system? 

Can a bathroom exhaust fan dump air (discharge/terminate) in the attic?

What are the requirements for bathroom ventilation?  

My air conditioner outside unit (condenser) won't start and is making a humming noise. What's wrong?

Should I move my air conditioner into the attic?  

What is the right MERV number for my air conditioning filter?

Why is my air conditioner running constantly? 

Is it alright to close the air conditioning vents in unused rooms?

What is the "temperature split" of an air conditioning system? 

What is a "ton" of air conditioning?

What is the difference between the SEER and EER rating of an air conditioner?

What is a TX valve or TXV for an air conditioner or heat pump system?

How does a hydronic heating system work? 

How do I tell the age of a Fedders furnace or air conditioner from the serial number?

How do I tell the age of a Magic Chef or Armstrong furnace or air conditioner from the serial number? 

What is the minimum SEER rating for a new air conditioner?

What is the difference between a heat pump and a cooling air conditioner? 

My air conditioner won't come on after changing the air filter. What's wrong?

•  What is a geothermal heat pump?

•  What is wrong with an air conditioner when the air flow out of the vents is low?

Why are some rooms colder or warmer than others?

Will a house without air conditioning pass a 4 point inspection?  

Why is there mold around the air conditioning vents?

What does an ultraviolet air treatment system do? 

What is an air conditioner for a mobile home called?

The coolant line to the outside unit of my air conditioner is frozen. What's wrong? 

What does "AUX HEAT" and "EM HEAT" on my thermostat mean?

My air conditioner won't turn on. What's wrong? 

What is the difference between the "ON" and "AUTO" settings on my thermostat?

What does the “SEER” rating of an air conditioner mean? 

Is it cost-effective to replace an older, low-efficiency air conditioner system with a new high-SEER system?

• What does the MERV rating number on an air conditioner filter mean? 

What does the "AFUE" rating of a furnace mean?

How can I prevent mold in my Florida winter home when I'm gone for the summer? 

• How can I check to see if my bathroom exhaust fan is actually working and moving air? 

• My bathroom is stinky and humid even though it has an exhaust fan. What can I do to fix it?

• Is pipe insulation flammable? 

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