Best ERV/HRV Ventilation Installers in Longmont, CO
What to look for in ERV/HRV Ventilation Installation in Longmont
For fresh-air ventilation, we weight providers who choose the right device for the climate (ERV for humid markets, HRV for cold-dry) and size it to the ASHRAE 62.2 standard — over a generic 'we install fans' claim.
- Published ERV/HRV capability. A stated energy- or heat-recovery ventilator line, ideally naming ERV-vs-HRV selection for the climate.
- ASHRAE 62.2 sizing. Evidence the provider sizes ventilation to the 62.2 rate rather than guessing — the difference between clearing stale air and wasting energy.
- Google rating. A strong rating floor reflects whether the install actually fixed stuffiness/odors.
Verify before you book
- That a unit was sized to your specific home's 62.2 rate — ask for the calculation.
- Whether ERV vs HRV was the right call for your climate — confirm the moisture-transfer choice.
- Active state HVAC license — check TDLR (TX), ROC (AZ), DBPR (FL), or your local board.
See full ranking methodology for ERV/HRV Ventilation Installation →
ERV/HRV Ventilation in Longmont: ERV vs HRV + 62.2 sizing
A ventilation job is judged on the right device for the climate (ERV moves moisture, HRV doesn't), recovery efficiency, and ASHRAE 62.2 rate sizing — not just bolting on a fan. Here is what each of the 3 pros below publishes: In Colorado, HVAC licensing is municipal (Denver requires a Class A or Class B mechanical license) — verify with your local building department before paying.
Top picks
Consistently strong customer feedback (4.9★ from 3,520+ Google reviews).
Google 4.9★ (3,520+)
Consistently strong customer feedback (4.9★ from 1,445+ Google reviews).
Google 4.9★ (1,445+)
Consistently strong customer feedback (4.8★ from 55+ Google reviews).
Google 4.8★ (55+)
Typical ERV/HRV Ventilation Installation costs in Longmont, CO (2026)
Last updated
Estimated ranges for Longmont, CO. Actual cost varies with home size, equipment, and scope — always request a written quote for your job.
| Service | Typical range |
|---|---|
| ERV/HRV ventilator (retrofit, installed) | $1,350–$3,100 |
| HRV ventilator (heat recovery, installed) | $1,350–$2,500 |
| ERV ventilator (energy/moisture recovery, installed) | $2,100–$3,100 |
Why Longmont’s Dry Winters and Mountain Air Matter for Indoor Air Quality in Longmont, Colorado
Longmont’s dry winters and wind-driven mountain dust raise indoor particulates and dry-air effects in older homes. Searches for the best indoor air quality HVAC companies in Longmont, CO often focus on filtration, humidification, and timely HVAC maintenance. Prioritize providers who can measure particulates and offer installation of HEPA or whole-home humidifiers.
How quickly can a Longmont Indoor Air Quality contractor respond to an emergency or same-day request?
- Do I need an ERV or an HRV?
- Both recover most of the energy from the stale air they exhaust while bringing in filtered fresh air. The difference is moisture: an ERV transfers humidity as well as heat (the right choice in humid Texas and Florida), while an HRV moves heat only (better for cold, dry winters). A tight, stuffy, or newly-sealed home is the main candidate.
- How is the right ventilation size determined?
- Sizing follows the ASHRAE 62.2 residential ventilation standard, which sets the fresh-air rate from the home's floor area and bedroom count. A good installer calculates that rate rather than guessing — an undersized unit won't clear stale air and an oversized one wastes energy.
- Do Longmont building inspectors require a permit for installing an ERV/HRV or whole‑house ventilation system?
- Permit requirements depend on the local Longmont jurisdiction since Colorado has no statewide HVAC license and permits are local. Some installations that alter ductwork or ventilation routes trigger a mechanical permit. Confirm permit needs with Longmont building permitting before work starts and ask the contractor if they will pull required permits.
- How do wind-driven dust and mountain air in Longmont change recommended filtration or ventilation upgrades?
- Wind-driven dust raises particulate loads and shortens filter life, so many Longmont homeowners choose high-capacity whole‑house filtration and ventilators. Contractors often recommend MERV-rated media filters paired with ERV/HRV systems for controlled fresh air. Verify installer experience with dust-prone homes when selecting upgrades.
- How do I find a contractor experienced in UV‑C light installation for air handlers in Longmont?
- Look for contractors who document prior UV‑C installations, list UV‑C as a capability, or cite manufacturer training. Request references for similar installations in Longmont. Verify technicians understand lamp placement, ballast compatibility, and service intervals rather than relying on general IAQ claims.
- How do I get a quote from these indoor air quality companies?
- Submit one request on this page and we send it to the vetted indoor air quality pros in Longmont, CO listed here. They send quotes back — no obligation.