Diagnosing Sequencers
This video from Alexander Services explains how an HVAC sequencer works and how to diagnose a faulty sequencer in a heat pump system.
Serving Holly Springs, NC, and surrounding areas, Alexander Services provides expert heating and air conditioning repair, installation, and maintenance you can trust.
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FREE Diagnostics
with service or repair
Same-Day Service
is always our goal!
“Exact Time” Appointments
No time-windows. You’ll know exactly when we’ll be at your home
Upfront Pricing
No hourly charges, no hidden fees, no sales pressure – just honest repair and service.
Award-Winning Service
We have over a dozen awards for Service Excellence
Local Family Owned
in business since 2012
Alexander Services provides Heating, Air Conditioning, Electrical and Plumbing Services in the Greater Raleigh Area and surrounding areas. Offering both Commercial and Residential Services, we provide emergency services and are open 7 days a week to provide you quick, award-winning same-day service.
Ava S
I was able to get an appointment to tune up my AC unit the week following the week that I called. The technician was on time – wore a mask, gloves, and shoe coverings and endeavored to stick only to the thermostats and unit in the attic and went around to the back (I live in a town home) without going through my home. I truly appreciated this approach. The unit was serviced and the cost was very reasonable. I “found” this company because my daughter uses their services too and has been very happy with them.
Marc K
The technicians were very professional and communicated very well about what they were doing. They worked outside in 90+ degrees and through a rain storm. I would recommend them for any plumbing services in the future.
Katrina W
Niko and Joshua were awesome, very polite and answered questions. I’ve use this business for several years for plumbing and heating and air. They are very honest, respectful and trustworthy! Fair pricing!
