Business Details
50+ Years
experience
Emergency
services
Your Trusted HVAC Experts in Alexandria, VA
Indoor Comfort has been serving the HVAC needs of Alexandria, VA and the greater Washington DC area since 1967. Founded by Demetrios Demetriou with a commitment to quality service and neighborly relationships, we specialize in heating, cooling, and fireplace solutions for residential and commercial clients. Our certified technicians deliver prompt, reliable service with upfront pricing and no hidden fees. We prioritize energy efficiency, long-term comfort, and customer education to ensure informed decisions. With decades of combined experience, we offer free in-home estimates, 24/7 emergency support, and financing options for all budgets.Our maintenance plans extend equipment lifespan while reducing energy costs. As a locally owned business, we maintain strict adherence to CDC safety protocols and industry best practices. Our 4.89-star rating from 440 reviews reflects our dedication to resolving issues in one visit and leaving workspaces immaculate. We guarantee satisfaction through transparent communication and manufacturer-backed warranties on all installations.
Services
HVAC Installation
AC Repair
Furnace Maintenance
Fireplace Services
Ductless Systems
Details
- Year established: 1967
Highlights and features
- Certified technicians with 40+ years of combined HVAC experience
- Free in-home estimates with no commitment required
- 24/7 emergency service for urgent heating/cooling needs
- Energy savings guarantees through efficient system upgrades
- Transparent pricing with no hidden fees or surprise costs
What people say
Excellent service
Knowledgeable technicians
Prompt arrival
Energy savings
No hidden fees
Services
HVAC Installation
Professional HVAC installation services for residential and commercial properties. Our certified technicians assess existing systems, recommend energy-efficient replacements, and handle complete installations with minimal disruption. We offer free consultations to determine optimal system sizing and configuration for your specific needs.
AC Repair
Emergency and scheduled air conditioning repair services for all makes and models. Our technicians diagnose issues quickly, provide upfront pricing, and complete repairs on the first visit using genuine manufacturer parts to restore cooling efficiency and prevent future breakdowns.
Furnace Maintenance
Comprehensive furnace maintenance programs to optimize performance and extend equipment lifespan. Our two-visit annual plan includes system inspection, cleaning, safety checks, and efficiency adjustments to ensure reliable heating during winter months.
Fireplace Services
Complete fireplace solutions including installation, repair, and safety inspections. Our specialists handle gas log systems and fireplace inserts with showroom consultations, in-home assessments, and annual safety tune-ups to ensure safe, efficient operation.
Ductless Systems
Energy-efficient ductless heating and cooling system installations for homes and businesses. Our experts design zoned solutions tailored to specific room requirements, including proper sizing, placement, and smart thermostat integration for maximum comfort control.
People
Demetrios Demetriou
Founder
Established Indoor Comfort in 1967 with a vision for quality service and community-focused HVAC solutions. With over 50 years of industry experience, he built the company's reputation on reliability, transparency, and technical excellence.
Questions
How often should HVAC systems be maintained?
Annual maintenance is recommended for optimal performance, with twice-yearly checks for older systems or units showing performance issues.
Do you provide free installation estimates?
Yes, we offer free in-home estimates with no obligation, including system assessment and budget-friendly options tailored to your needs.
What HVAC financing options are available?
We offer zero-down financing with low monthly payments, including options for customers with various credit profiles through approved lenders.
What's the lifespan of a typical HVAC system?
Properly maintained systems last 10-15 years, with regular maintenance extending equipment life and maintaining manufacturer warranties.
Are emergency HVAC services available?
Yes, our 24/7 emergency service responds promptly to urgent heating and cooling needs with no additional after-hours charges.
