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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

Frequently Asked Questions About HVAC Maintenance
01 June 2024
Maintaining your HVAC system is not just about keeping your premises warm in the winter or cool in the...
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Your Trusted Partner for Commercial HVAC Services in Charlotte, NC
01 May 2024
At Ross & Witmer, we pride ourselves on delivering top-tier commercial HVAC services to Charlotte,...
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Should You Repair or Replace Your Air Conditioning System?
04 April 2024
In the heat of summer your home air conditioning (AC) system is your best friend. But what happens when...
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Beat the Charlotte Heat: Top Tips for Summer HVAC Maintenance
01 March 2024
When the summer heat begins to come to Charlotte, NC, ensuring your home remains a sanctuary of cool...
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What is Electrification in the HVAC Industry?
02 February 2024
In recent years, the HVAC industry has been buzzing with the term “electrification.” But...
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Navigating New Refrigerant Changes in 2025
10 January 2024
The HVAC industry is on the cusp of significant change as we approach 2025, with new refrigerant regulations...
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Why You Should Consider Upgrading to a New Furnace or Heat Pump
01 December 2023
If you’re a homeowner in the Charlotte, NC, region, you’re likely aware of the critical role...
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The Top Benefits of Enrolling Your Heating System in a Maintenance Plan
01 November 2023
As the temperatures drop and the chill of winter starts to set in around Charlotte, NC, there’s...
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Affordable Charlotte Heating Repair: Ross & Witmer Keeps You Warm!
01 October 2023
When the chilly winter breezes sweep through Charlotte, NC, the last thing you need is a glitch in your...
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6 Common Heating Challenges in Charlotte, NC
06 September 2023
With its charming seasonal variations, Charlotte, NC reminds us of the importance of a reliable heating...
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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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