HVAC Services in Herndon, VA
9 HVAC contractors found
Premier HVAC LLC
“All 243 reviews award 5 stars, an unusually perfect record for an HVAC contractor serving the complex…”
Cardinal Plumbing Heating & Air Inc
“Four reviewers describe emergency situations resolved quickly, including heating failures during extreme cold…”
Marco & Son llc
“With 539 reviews averaging 4.9 stars, reviewers consistently mention rapid response during system failures,…”
Duct Detailing
“All eight sampled reviewers assign five stars, with six specifically praising the lack of hidden fees or…”
Aviles heating & air conditioning
“Multiple reviewers describe emergency same-day service with same-hour arrival, and five-star reviews…”
Herndon Appliance Repair
“Every reviewer awarded 5 stars, with four customers specifically naming technicians Paul, Tony, Nav, and…”
Fairfax Cooling & Heating Company
“Four of five detailed reviewers specifically mention receiving same-day or same-hour service visits, with…”
Air-Tech Systems Inc
“Mixed sentiment reflects divided opinions: one five-star review praises responsiveness and new Carrier…”
HVAC Service Costs in Herndon, VA
Pricing ranges across all HVAC services offered in Herndon.
| Service | Typical Range | Price Points |
|---|---|---|
| AC Repair | $75–$2,800 | 7 items → |
| AC Installation | $150–$20,000 | 8 items → |
| AC Replacement | $2,100–$16,000 | — |
| HVAC Maintenance | $15–$800 | 7 items → |
| HVAC Repair | $75–$3,500 | 7 items → |
| HVAC Service | $70–$14,100 | 6 items → |
| Emergency HVAC | $150–$3,500 | 6 items → |
| Commercial HVAC | $2–$80,000 | — |
Prices reflect humid subtropical metro averages based on HomeAdvisor and Angi published cost data. Last updated: April 2026.
HVAC in Herndon, VA: What Homeowners Should Know
Herndon's climate keeps HVAC systems working hard year-round. Summer temperatures climb toward 88 degrees with the humidity that defines Potomac summers, while winter lows settle around 28 degrees, pressing heating equipment through months of cold. That dramatic seasonal swing explains why finding the best hvac Herndon matters to so many homeowners. Eleven contractors serve this northern Virginia market, and together they've earned roughly 4.4 stars across more than 3300 reviews. The collective rating tells you that consistency varies, which is why reading individual assessments matters before you commit.
Price tags in this market cover enormous ground. Full system replacements can reach $80,000, while basic service calls start near $2, making the cost range shockingly wide for anyone unfamiliar with HVAC economics. Virginia regulation separates licensed contractors by experience and project scale: those pursuing work above $120,000 need five years of proven track record, while smaller operations qualify with less tenure. Homeowners often discover that credential depth directly affects what they ultimately pay for equipment and expertise.
Customer feedback reveals sharp contrasts among top performers. Cardinal Plumbing Heating & Air Inc receives praise for resolving heating emergencies during bitter cold snaps, with technicians explaining everything before moving forward. Marco & Son LLC draws attention for same-day arrivals during temperature extremes, and their 539 reviews average 4.9 stars. Premier HVAC LLC maintains a rare perfect score across all 243 ratings, with multiple clients noting the specific technicians who earned their trust. This spread shows that even within strong options, communication style and response speed differ enough to shape your decision.