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Listed here are some service tips that we have found to be the more common problems, with simple solutions, that people might experience with their Heating or A/C units. If these tips aren't helpful to your problem after you read them, please feel free to contact us. We have a knowledgeable staff that can assist you in troubleshooting the system and help diagnose the problem, usually saving a service call.

Many manufacturers have web sites that list product information, including maintenance and troubleshooting guides. If you know the information to your particular product, go to that manufacturer's site for any information they may have. If you happen to have a product manufactured by one of the companies linked on our
Products Links page, please feel free to visit their site to find out more information.

When we install a new unit in your home or business, we are required to provide you with the manufacturer's Warranty policy and published Owner's/User's Information Manuals, which instructs proper use and maintenance of the unit(s). These instructions should be carefully read and stored in a safe place for future reference.


Taylor's HVACR
1180 Rabbit Hill Rd.
Church Hill, Md 21623

(410) 758-0551 OFFICE
(410) 758-3412 FAX

HVACR # 8824
MHIC # 41786


Here's a really great site to look up tips and common problems, but please keep in mind that this and all information are just guidlines to assist you and may not cover all possible situations :
Commonly Reported HVAC Problems
[Copyright 1996-2004. Hannabery HVAC. All rights reserved.]

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how much insulation you should have for your area.



If you just want to look over a quick reference, then here you are:

1. If you can't detect any heat or air conditioning and the unit doesn't seem to be running, do one or all of the following:

a) Turn thermostat to "fan on" and see if it comes on.

b) Check your breaker box and/or emergency switches.

c) If your unit is gas or oil fueled, check your fuel levels.

d) Check the supply valve (on/off valve) from the fuel tank to ensure it didn't inadvertently get turned off.

2. Check air filters regularly. Once a month clean or replace.
If filter is a media type, it should be good for up to a year under normal conditions.
(By the way, we install media, hepa and electronic air filters upon request)

3. Keep outdoor unit(s) free from obstructive weeds, grass, leaves and debris.
DO NOT build or store objects on or around the unit(s), as this will reduce adequate air flow for the unit to operate efficiently. (and it makes it hard for us, or anyone else, to service the unit)

4. Have A/C system checked at least once a year, preferably when the outdoor temperature is above 70 degrees. Bi-Yearly for harsher conditions.

5. DO NOT turn A/C down too low. The evaporator coil (indoor coil) operates at approximatly 20 degrees below outdoor temperatures and may freeze if outdoor temps go into the 50's.

6. Turning the thermostat higher or lower won't heat or cool any faster than setting at desired temperature.

7. Heat Pumps can have a tendancy to frost or freeze outside during heating, especially if temperatures reach around 45 degrees to below freezing and high humidity conditions are present (fog, rain, snow, etc.).

Most units today are found to have an automatic defrost cycle, designed to melt accumulation of ice around the coils. When this happens you may notice steam, not smoke, coming from the unit. Also, you'll notice the compressor is running, but the blower fan is not. This is normal operation of the defrost cycle and you may also experience the system switching from air condition mode to EHEAT (back up emergency heat) during this cycle. After about an hour or less the heat pump should be back to normal operation. In very few cases you may have to wait until outside temperatures warm, where it will usually defrost by mid day.

8. If outdoor conditions are freezing rain or snow and the outdoor heat pump unit gets completely covered (in snow or ice), it can't "breath" properly and you won't get sufficient heat out of it. If you can't clear the constriction right away you'll have to switch the thermostat to "emergency heat", or use other means of back up heat, until the blockage is removed.

9. Keep all or most of your vents open. Closing too many will cause problems.

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