9 Commercial HVAC Contractors in Herndon, VA
Top-Rated Commercial HVAC Contractors in Herndon
Marco & Son llc
“With 539 reviews averaging 4.9 stars, reviewers consistently mention rapid response during system failures, with multiple customers noting same-day arrival…”
Fateka Computer Store
“All 400 reviews award five stars, with multiple reviewers specifically naming Vladimir for his post-purchase support and setup assistance. Positive feedback…”
All Commercial HVAC Contractors (9 total)
Genesis Chimney Services
“All 211 reviews award 5 stars, with customers frequently citing the team's patience in answering questions…”
Fairfax Cooling & Heating Company
“Four of five detailed reviewers specifically mention receiving same-day or same-hour service visits, with…”
M&M Expert Services
“Twenty reviews yield a 4.8-star average with 15 reviewers awarding five stars. Greg appears in six positive…”
Air-Tech Systems Inc
“Mixed sentiment reflects divided opinions: one five-star review praises responsiveness and new Carrier…”
Carrier Enterprises LLC
“4 reviews yield a 3.3-star average, with one customer praising delivery speed and quality while another…”
Commercial HVAC Costs in Herndon
Commercial system pricing in Herndon. Actual costs vary significantly by building size and system type. Request a site-specific quote.
| Service | Low | Average | High |
|---|---|---|---|
Annual maintenance (per rooftop unit) Quarterly inspections | $500 | $1,000 | $2,000 |
Annual contract (small business, < 5K sqft) | $1,000 | $2,500 | $5,000 |
Annual contract (mid-size, 5K-25K sqft) | $3,500 | $6,500 | $10,000 |
Basic rooftop unit replacement | $6,500 | $10,000 | $15,000 |
Small business full system (< 5K sqft) | $8,000 | $16,000 | $25,000 |
Mid-size building (5K-25K sqft) | $25,000 | $50,000 | $80,000 |
Operating cost (per sqft annually) Utility + maintenance | $2 | $4 | $6 |
Prices reflect humid subtropical metro averages compiled from published industry cost guides, contractor surveys, and regional labor data. Last updated: April 2026.
Commercial HVAC in Herndon, VA: What to Expect
In Herndon, Virginia's climate creates a steady rhythm of demand for Commercial HVAC in Herndon systems. Summers push temperatures into the upper 80s with the signature Potomac River humidity, forcing cooling loads that never fully ease even at night. Winters then flip the equation, with cold spells driving heating demand as temperatures hover around the 28-degree mark. This back-and-forth between humid summers and cold winters means commercial properties face two distinct seasonal peaks each year. The market is served by ten contractors who collectively hold 1,612 reviews averaging 3.8 stars, giving business owners a reasonable pool to choose from when system reliability becomes a priority.
Maintenance and service contracts carry specific price points that reflect system complexity and building size. Annual maintenance per rooftop unit runs $500 to $2,000, while a small business contract covering less than 5,000 square feet typically costs $1,000 to $5,000. Mid-size buildings between 5,000 and 25,000 square feet see annual contracts ranging from $3,500 to $10,000. Virginia law adds another layer: every legitimate contractor must hold a Class A, B, or C license with an HVA specialty from the Department of Professional and Occupational Regulation, which directly affects what businesses pay for qualified work.
Customer feedback points to consistent strengths worth noting. Marco & Son draws praise for rapid response, with multiple reviewers mentioning same-day arrivals during heat waves and cold snaps when systems fail. Vladimir at Fateka Computer Store receives specific recognition for post-purchase support and helping clients stick to budget. Premier HVAC LLC maintains all five-star ratings across 243 reviews, with eight different customers noting the particular technicians who handled their work. These patterns show that response speed, technical guidance, and pricing discipline separate the more reliable options in this market.