Thermostat and Smart Controls in Northern Virginia
Get your smart thermostat installed, replaced, or set up today by local HVAC pros. Cardinal Plumbing Heating & Air Inc serves Northern Virginia, including Alexandria, Arlington, and Fairfax. Our certified in‑house technicians provide upfront pricing and same‑day service. Trusted with a 4.9 rating from 1,059 reviews. Ready to save energy and improve comfort? Schedule your visit now.
Why Choose Us
Certified in‑house techsLicensed, insured, and factory‑trained HVAC specialists
Upfront, honest pricingClear estimates before work begins
Fast, convenient serviceSame‑day appointments available, seven days a week
Strong guaranteesMoney‑back guarantee and robust warranties
Top‑rated locally4.9 rating from 1,059 reviews
What Our Customers Say
quality
"Had them install a Nest thermostat... Willie was able to pull out the existing wires and lengthen them... Definitely worth it."
professionalism
"They installed... the latest Nest thermostat. I needed to be there to get it running via the phone app. Will definitely use Cardinal in the future."
trust
"No high pressure sales tactics... will continue to use for future service/installation. Highly recommend this company."
Service Areas We Cover
What areas do you serve for thermostat and smart controls?
We serve Northern Virginia, with frequent visits to Alexandria, Arlington, and Fairfax. See the complete service area list below for all communities we cover.
Northern Virginia
Alexandria, VAArlington, VAFairfax, VA
Complete Service Area:
Bristow, VAHaymarket, VAHerndon, VADumfries, VAAldie, VAMcLean, VAAlexandria, VAGainesville, VASpringfield, VAAnnandale, VAReston, VAFairfax, VAManassas, VABurke, VAFairfax Station, VACentreville, VAAshburn, VAChantilly, VAPurcellville, VAWoodbridge, VASterling, VAArlington, VAOakton, VAVienna, VAMiddleburg, VAClifton, VAFalls Church, VALeesburg, VATysons, VAGreat Falls, VA