About

Proudly a family owned business since 1986

Our Story

Cosmos Heating & Cooling, a family owned business, has been servicing the Northern Virginia area since it was founded in 1986 by Constantis “Gus” Christofi. The one man operation thrived through unending dedication, commitment to quality, and honest hard work. For the past 8 years, with his son George at his side, the family-owned heritage continues to afford its customers with unmatched service, excellence and skilled quality work. We Are Licensed & Insured and Service All Unit Brands.

Our Team

George Christofi

President

Jesse Ramirez

Vice President

Their honesty, fair pricing, reliability, experience, and quality work are unmatched. We dealt with a lot of HVAC companies before with our old system and we are so happy to have found Cosmos and will continue to trust them whenever we need service!

ReneeHomeowner

I cannot more enthusiastically recommend Cosmos. The first time I called, Gus was willing to come out on a Sunday to assist me. He was able to correctly diagnose the problem that 2 other companies missed. Both Gus and his son take great pride in their work and do not take any short cuts.

KeithHomeowner

While some companies may look at a small project and give that customer less attention while focusing on larger jobs, that attitude is not even a consideration with Cosmos. They are capable of handling the largest project you can task them with and just as friendly on a smaller service call.

JeremiahContractor

FAQs

Can I book an appointment online?

Yes, visit our jobber link here to schedule an appointment today!

What areas do you service?

All of Virginia and DC plus parts of Maryland

What are your business hours?

Monday-Friday, 8am-5pm
Saturday 8am-12pm (After 12 on Saturdays considered for Emergencies only)
Sunday Emergency only

Are you hiring?

Yes, contact George at 571-432-8979. Applications open for Technicians and Installers. Resumes welcome!

Do you offer financing?

Yes we do!

Do you service boilers?