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Ventilation & ERV Systems in Fort Collins, CO

Modern homes are built tight. And that's a problem nobody designed for. Tight envelopes save energy but trap everything inside: cooking odors, VOCs off-gassing from new materials, excess humidity from showers, and CO2 from simply breathing. Opening a window works in May. It doesn't work in January when it's five degree

Ceiling ventilation fans supplying fresh air

An Energy Recovery Ventilator (ERV) solves it mechanically: it exhausts stale indoor air and brings in fresh outdoor air, transferring heat and moisture between the two streams so you're not throwing energy away. Fresh air all year, without the energy penalty.

Need fresh air without the waste? Call (970) 555-0100 to request a quote, or check availability online.

Why houses need mechanical ventilation

The old houses around Old Town breathe on their own — leaky windows, drafty framing, plenty of unintentional fresh air. New construction in Timnath, Severance, and Windsor doesn't. Building codes now require mechanical ventilation in tight homes precisely because natural leakage no longer does the job.

Signs your home is under-ventilated:

Stuffy, stale air — especially in bedrooms overnight
Condensation on windows in winter
Cooking odors that linger for hours
Headaches or grogginess that lift when you leave the house
High CO2 readings (see indoor air quality testing)
Excess humidity from showers and cooking with nowhere to go

Bath fans and range hoods help in bursts, but they're exhaust-only — they depressurize the house and pull unconditioned air through every crack. Balanced ventilation is the correct answer.

ERV vs. HRV: which one for Fort Collins

Both exchange stale indoor air for fresh outdoor air while recovering energy. The difference is moisture:

ERV (Energy Recovery Ventilator): transfers heat AND moisture between the air streams. In winter, it keeps some of your indoor humidity from escaping with the exhaust air — valuable in our dry climate. In summer, it keeps some outdoor humidity out. The right choice for most Fort Collins homes.
HRV (Heat Recovery Ventilator): transfers heat only, not moisture. Better in humid climates where you want to dump indoor moisture. Less ideal here, where winter dryness is already the problem.

We install and recommend ERVs for Northern Colorado. If your situation genuinely calls for an HRV — a home with chronic excess humidity, like an indoor pool — we'll tell you.

How ERV installation works

Ventilation assessment. We evaluate the home's tightness, existing exhaust fans, and where fresh air is needed most.
Sizing. The ERV is sized to the home's square footage and occupancy — enough air changes to stay fresh, not so much that you're over-ventilating.
Ductwork. Dedicated duct runs to key rooms (bedrooms, living areas) for supply, and from high-pollutant areas (kitchens, baths, laundry) for exhaust. In some homes we can integrate with existing ductwork.
Unit mounting and controls. The ERV mounts in the mechanical room, attic, or basement; controls range from simple timers to smart ventilation tied to CO2 or humidity sensors.
Balancing. We measure and balance the supply and exhaust flows so the house stays at neutral pressure — no drafts, no backdrafting of combustion appliances.

Most installations take one to two days depending on ductwork complexity.

ERV and wildfire smoke season

The obvious question: doesn't bringing in outdoor air defeat the purpose during smoke season? Good ERV installations account for this. The intake gets proper filtration. A good filter on the fresh air stream catches the particulates before they enter. And smart controls can reduce ventilation rates during smoke events while still providing minimum fresh air. It's a far better setup than a leaky house that lets smoke in unfiltered through every crack, which is what happens without mechanical ventilation.

Maintenance

ERVs are low-maintenance: the core gets cleaned annually, filters changed on schedule (more often during smoke season), and the condensate drain checked. We include ERV service in maintenance plan visits for homes that have them.

What affects the cost of ERV installation

Unit size and features: capacity and control sophistication.
Ductwork: dedicated runs vs. integration with existing ducts; new ductwork is the biggest variable.
Controls: timer vs. CO2/humidity-sensor-driven smart ventilation.
Filtration level: standard vs. upgraded intake filtration for smoke season.

Frequently Asked Questions

What's the difference between an ERV and an HRV?

Both ventilate while recovering energy. An ERV also transfers moisture between the air streams — keeping winter humidity in and summer humidity out. An HRV transfers heat only. In dry Colorado, the ERV's moisture handling makes it the better fit for most homes.

Will an ERV raise my heating bills?

Barely. That's the entire point of energy recovery — the outgoing air pre-conditions the incoming air, recovering most of the energy. The small penalty is far less than the energy lost through the random air leaks that ventilate an old house "for free."

Can an ERV work with my existing furnace and ductwork?

Often yes — we can integrate the ERV with existing ductwork in many homes, which keeps costs down. Some layouts need dedicated duct runs for proper room-by-room ventilation. We assess during the quote and recommend the cleaner approach.

Do I need an ERV if I already open windows regularly?

Windows ventilate, but they don't recover energy, filter the air, or work when it's freezing, smoky, or dusty outside. An ERV gives you the fresh air benefit of open windows year-round, filtered, without the energy waste. Many owners keep both — windows in perfect weather, ERV the rest of the year.

How much ventilation does a house actually need?

Building standards target roughly one complete air change every few hours, adjusted for occupancy and home size. Too little and pollutants accumulate; too much wastes energy. We size the ERV to the standard for your home rather than guessing.

Does an ERV replace bathroom exhaust fans?

It can supplement them but usually doesn't replace them. Bath fans handle intense, short bursts of humidity; the ERV provides continuous low-level whole-house ventilation. They work as a team — and we make sure they're balanced so they don't fight each other.

Call (970) 555-0100 for ERV and ventilation installation in Fort Collins, CO. Tight house, fresh air, no energy waste.

Need Heating or Cooling Help?

Call (970) 555-0100 to request a quote or check availability — or send the form and we will get back to you during business hours.

We serve Fort Collins and the surrounding northern Colorado communities. See our full service area.