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Get in touch with a heating and air conditioning contractor at Ross & Witmer is a full-service heating and air conditioning contractor, and we can help keep your equipment operating dependably and efficiently for many years.  Click below to read articles and review frequently asked questions, spanning from our knowledge of HVAC systems since 1945.

Tips & Articles

Why is my furnace not coming on in Charlotte, NC?
19 January 2022
If your home has central heating, it uses a furnace or heat pump to provide warmth and comfort throughout...
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WHY IS MY FURNACE BLOWING COLD AIR IN CHARLOTTE?
16 November 2021
Frustration can arise when your furnace, the primary source of heat for your home, suddenly stops working,...
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SHOULD I BE PROACTIVE ABOUT REPLACING MY HVAC SYSTEM IN CHARLOTTE, NC
08 October 2021
When it comes to being comfortable, nothing can be worse than arriving home to find you air-conditioner...
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Does A/C Maintenance Really Make a Difference for Charlotte Homeowners?
15 June 2021
The best way to ensure your air-conditioning equipment can survive hot, humid summer days is to schedule...
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How to Show Allergens The Door This Fall
17 May 2021
From pollen to dust, there are plenty of airborne contaminants to make you sneeze during the fall. That...
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8 Best Appliances For Your Energy-Efficient Home
17 May 2021
From the heating and cooling system to the refrigerator to the washer and dryer, your Gastonia, North...
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Should You Repair or Replace Your HVAC System?
10 May 2021
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Should You Repair or Replace Your HVAC System?
27 February 2017
As much as you might want it to, the HVAC system in your Charlotte, North Carolina, home won't last...
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8 Best Appliances for Your Energy-Efficient Home
27 February 2017
From the heating and cooling system to the refrigerator to the washer and dryer, your Gastonia, North...
Read More
How to Show Allergens the Door This Fall
15 December 2016
From pollen to dust, there are plenty of airborne contaminants to make you sneeze during the fall. That...
Read More

Frequently Asked Questions

As your local Carrier dealer, Ross & Witmer is your troubleshooting expert, and is glad to help you. In addition, Carrier also provides a network of troubleshooting technicians at Carrier Distribution centers across the country which Ross & Witmer will utilize to solve your concern. Should we encounter a situation that requires additional factory help, we will contact our factory supported Service Manager(s) for assistance.

Since they are electronic, programmable thermostats are more accurate and efficient than thermostats that contain mercury. With programmable thermostats, you can control the temperature in your home at different times of day without ever touching your thermostat. Because everything is automatic, you will never forget to change the setting on your own.

Under the standard factory warranty, Carrier covers parts that fail during the warranty period due to defects in the part. It does not cover labor. A warranty certificate was included with your homeowner information packet and is specific to the model numbers, serial numbers, and installation dates of your products. If you cannot find your warranty certificate, Ross & Witmer will also be able to provide you with the information.

At least once a year heat pumps, and air conditioners require a professional tune-up. Because gas-fired equipment functions with greater efficiency, they only need to be serviced every other year. Inspections on boiler and furnace systems should include ductwork, pipes, dampers, valves, the chimney, registers, radiators, pumps, blowers, fuel lines, the gas meter, oil tank and every part of the actual furnace and boiler. Meanwhile, heat pump and air conditioning unit inspections should also include inspections of the fan, compressor, indoor coils, outdoor coils, line kits and refrigerant lines.

At least once a year heat pumps, and air conditioners require a professional tune-up. Because gas-fired equipment functions with greater efficiency, they only need to be serviced every other year. Inspections on boiler and furnace systems should include ductwork, pipes, dampers, valves, the chimney, registers, radiators, pumps, blowers, fuel lines, the gas meter, oil tank and every part of the actual furnace and boiler. Meanwhile, heat pump and air conditioning unit inspections should also include inspections of the fan, compressor, indoor coils, outdoor coils, line kits and refrigerant lines.

How Can We Help You Today?

Ross & Witmer is a full-service contractor specializing in air conditioning repair and installation, and electrical services. We invite you to explore the many benefits that working with an expert and knowledgable contractor can provide for you and your home.

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