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HVAC in Louisville

Furnace or A/C Seasonal Tune-Up, $149

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Licensed HVAC services for Louisville and Boulder County. Climate control engineered for comfort.

What Louisville requires

Code/municipal code sections: Louisville Municipal Code Chapter 15 (Buildings and Construction), which incorporates the 2024 ICC codes (IBC, IRC, IECC, IEBC, etc., effective December 6, 2025) with local amendments via Ordinance 2025-1907 (No. 1907-2025). Ord. 2025-1907

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HVAC

Climate control engineered for comfort

Jobs you can book online

Pick your job and choose a time.

Pay when you book. We confirm within 24 hours or refund you in full.

Emergency visits

  • Emergency HVAC — No Cooling

    $199 visit fee — credited toward the work

    Confirmed within 2 hours or fully refunded.

    Priority response for a dead A/C during a heat event — diagnosis of the failure and an on-site repair quote.

    Pay when you book

    What's included

    Priority response for a dead A/C during a heat event — diagnosis of the failure and an on-site repair quote. The $199 emergency fee applies toward the work.

  • Emergency HVAC — No Heat

    $249 visit fee — credited toward the work

    Confirmed within 2 hours or fully refunded.

    Priority dispatch when your furnace or heat system is down in cold weather, including safety checks for gas and CO.

    Pay when you book

    What's included

    Priority dispatch when your furnace or heat system is down in cold weather, including safety checks for gas and CO. The $249 emergency diagnostic fee is credited toward the repair.

Fixed-price jobs

  • Dryer Vent Cleaning

    Rotary-brush cleaning of the full dryer duct run to the exterior termination, plus airflow check and lint trap area cleanup.

    Pay when you book · morning (8–12) or afternoon (12–4)

    What's included

    Rotary-brush cleaning of the full dryer duct run to the exterior termination, plus airflow check and lint trap area cleanup. Reduces fire risk and drying times; crushed or disconnected ducts are quoted for repair.

  • Dryer Vent Reroute (Short Accessible Run)

    Reroute or replacement of a dryer vent run up to 15 ft through an accessible path (unfinished basement, crawlspace, or single exterior wall penetration): rigid metal duct and exterior hood with pest screen (materials…

    Pay when you book · morning (8–12) or afternoon (12–4)

    What's included

    Reroute or replacement of a dryer vent run up to 15 ft through an accessible path (unfinished basement, crawlspace, or single exterior wall penetration): rigid metal duct and exterior hood with pest screen (materials included), foil-taped joints, removal of any flex/vinyl duct, and airflow test. Excludes runs through finished ceilings/walls requiring drywall repair, roof terminations, runs over 15 ft, booster fans, and full duct cleaning of unrelated runs.

  • Furnace + AC Combo Tune-Up

    Both heating and cooling systems serviced in a single visit at a bundled rate.

    Pay when you book · morning (8–12) or afternoon (12–4)

    What's included

    Both heating and cooling systems serviced in a single visit at a bundled rate. Includes the full checklist and readings for each system in one written report.

  • Furnace or A/C Seasonal Tune-Up

    Multi-point inspection and cleaning of one furnace or A/C system, including safety checks, filter swap with a customer-supplied filter, and a written condition report.

    Pay when you book · morning (8–12) or afternoon (12–4)

    What's included

    Multi-point inspection and cleaning of one furnace or A/C system, including safety checks, filter swap with a customer-supplied filter, and a written condition report. Repairs found during the tune-up are quoted before any work.

  • Swamp Cooler Startup / Summerization

    Seasonal startup of one evaporative cooler: remove and stow cover, install new standard aspen or synthetic pads (materials included for standard sizes), reconnect and test the water line and float, lubricate…

    Pay when you book · morning (8–12) or afternoon (12–4)

    What's included

    Seasonal startup of one evaporative cooler: remove and stow cover, install new standard aspen or synthetic pads (materials included for standard sizes), reconnect and test the water line and float, lubricate motor/bearings where fitted, tension or replace a standard belt (belt included), and verify operation and no leaks. Excludes pump or motor replacement (quoted onsite), rigid-media (MasterCool) pad sets, roofs over two stories, and new water line runs.

  • Swamp Cooler Winterization

    Seasonal shutdown of one roof- or side-mount evaporative cooler: shut off and drain the supply line, drain the pan, disconnect and drain the pump, install a customer-supplied or standard cooler cover (standard sizes…

    Pay when you book · morning (8–12) or afternoon (12–4)

    What's included

    Seasonal shutdown of one roof- or side-mount evaporative cooler: shut off and drain the supply line, drain the pan, disconnect and drain the pump, install a customer-supplied or standard cooler cover (standard sizes included), and close the damper. Excludes roofs over two stories or steeper than 8/12, repair of damaged pans/lines found during service, and interior duct sealing.

  • Window AC Unit Install (Seasonal)

    Installation of one customer-supplied window AC unit (up to 12,000 BTU) in a double-hung window on the first or second floor: mounting bracket or sill support, side panels, foam sealing, tilt check for condensate…

    Pay when you book · morning (8–12) or afternoon (12–4)

    What's included

    Installation of one customer-supplied window AC unit (up to 12,000 BTU) in a double-hung window on the first or second floor: mounting bracket or sill support, side panels, foam sealing, tilt check for condensate drainage, and function test. Excludes unit purchase, casement/slider windows requiring custom kits, through-wall sleeves, and dedicated circuit work.

  • Window AC Unit Removal & Store (Seasonal)

    $115 · $129 minimum visit

    Seasonal removal of one window AC unit (up to 12,000 BTU): safe removal, coil drain, window closed and locked, hardware bagged and taped to the unit, and unit carried to your garage, basement, or closet for storage.

    Pay when you book · morning (8–12) or afternoon (12–4)

    What's included

    Seasonal removal of one window AC unit (up to 12,000 BTU): safe removal, coil drain, window closed and locked, hardware bagged and taped to the unit, and unit carried to your garage, basement, or closet for storage. Excludes off-site storage, haul-away/disposal, and units above the second floor.

Visit first, then quoted

  • HVAC Service Visit

    $129 visit fee — credited toward the work

    Certified HVAC tech diagnoses furnace, A/C, or ventilation problems and provides a written repair quote.

    Pay when you book · morning (8–12) or afternoon (12–4)

    What's included

    Certified HVAC tech diagnoses furnace, A/C, or ventilation problems and provides a written repair quote. The $129 diagnostic fee is credited toward the repair.

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Local Service

HVAC Services in Louisville, Colorado

Autotelic provides professional HVAC services throughout Louisville and the surrounding Boulder County area. Heating, ventilation, and air conditioning installation, replacement, and ductwork for residential and commercial buildings. Whether you're in Louisville (between Denver and Boulder) or nearby communities, our team delivers quality workmanship, licensed and insured.

The build sequence for a HVAC project

Every project starts with a feasibility study; this trade is priced from the same assemblies.

  1. HVAC feasibility in Louisville
  2. How a HVAC project is estimated

Start a HVAC feasibility study

Permit Thresholds

Louisville permit thresholds

Code/municipal code sections
Louisville Municipal Code Chapter 15 (Buildings and Construction), which incorporates the 2024 ICC codes (IBC, IRC, IECC, IEBC, etc., effective December 6, 2025) with local amendments via Ordinance 2025-1907 (No. 1907-2025).Ord. 2025-1907
Building permit fee follows a progressive table (e.g., $0–$500
$28; higher brackets up to $1M+ with per-$1,000 increments; exact amounts per the published schedule).
Plan review (in-house)
65% of the building fee.
Boulder County Use Tax
1.185% of 50% of Total Valuation.
City of Louisville Use Tax
3.775% of 50% of Total Valuation.
Code reference
Impact fees may apply for additions or remodels increasing finished floor area over 500 sq ft (per category tables; first 500 sq ft often exempt).

Codes are amended regularly — verify current requirements with **The City of Louisville, Colorado’s Building Safety Division (part of the city government) issues residential building permits.

Energy Code

Louisville energy code quick facts

Code reference
2024 International Energy Conservation Code (IECC), effective December 6, 2025 (adopted via the City of Louisville’s 2024 ICC Code Adoption ordinance), along with the Colorado Model Electric Ready and Solar Ready Code (also effective 12/6/25).
Code reference
Louisville is in Climate Zone 5B.
Code reference
The 2024 IECC (with the model ready codes) applies to new construction and, via Chapter 5 [RE], to additions, alterations, and remodels involving the building thermal envelope.
Code reference
Key prescriptive requirements relevant to remodels/additions (drawn from 2024 IECC Table R402.1.2 and related sections for CZ 5 / 5B; additions must meet these for new envelope areas or the whole-building UA alternative):
Ceiling/attic insulation
Maximum assembly U-factor 0.026 (2024 IECC Table R402.1.2).
Wood-frame wall insulation
Maximum assembly U-factor 0.045 (or equivalent prescriptive R-value combinations such as R-20 + R-5ci or R-13 + R-10ci; note R408 tradeoffs may allow reduced wall performance with additional measures) (2024 IECC Table R402.1.2 and R408).
Vertical fenestration (windows/doors)
Maximum U-factor 0.28 (2024 IECC Table R402.1.2).
Skylights
Maximum U-factor 0.50 (2024 IECC Table R402.1.2).

Codes are amended regularly — verify current requirements with **The City of Louisville, Colorado’s Building Safety Division (part of the city government) issues residential building permits.

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What HVAC work covers in the Denver metro

HVAC projects in the Denver metro include furnace and air-conditioner service, heat-pump and packaged-unit replacement, duct repairs, thermostat upgrades, and ventilation changes tied to remodels. Commercial buildings may also need rooftop units, zoning, and coordination with roofing or structural openings. A municipally licensed Denver general contractor coordinates the overall project and the licensed specialty trades required for mechanical and related electrical work. Scope should state whether the visit is repair, replacement, or a remodel that changes equipment location or duct routes.

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Front Range climate and equipment choices

Denver winters and high summer temperatures put real load on heating and cooling equipment. Altitude, wide daily temperature swings, and wildfire-season air quality can influence filter strategy and outdoor-unit placement. Equipment selection should match the building's size, insulation, duct condition, and fuel or electrical service available on site. Replacement projects benefit from a load-aware assessment rather than one-for-one equipment swaps that ignore duct leakage or undersized returns. Cost is project-specific and depends on equipment type, access, duct work, and electrical or gas changes.

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Remodel and commercial coordination

Kitchen, bathroom, and addition projects often change supply and return needs. Closing or opening rooms without adjusting airflow can create comfort problems. Commercial replacements commonly involve roof curbs, structural support, crane or lift access, and sequencing with roofing patches. A clear plan names equipment locations, thermostat zones, fresh-air requirements, and who will handle gas, electrical, and roof penetrations.

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Permits and who coordinates the work

Many furnace, condenser, and duct alterations require mechanical permits and inspections through the local city or county. Related electrical or gas work is handled by the specialty trades qualified for that scope. Cities and counties license general contractors. Colorado has no statewide general contractor license. Autotelic acts as a municipally licensed Denver general contractor and coordinates licensed specialty trades for HVAC packages. Permit responsibility and inspection sequencing should be stated in the project plan.

FAQ

Common questions

How much does Furnace or A/C Seasonal Tune-Up cost in Louisville?

$149.

How do I book?

Press Book next to the job, pick a date and a morning (8–12) or afternoon (12–4) window, and pay in full. We confirm within 24 hours or refund you in full.

Repair or replace — how do you decide?

Repair is often practical for localized failures on equipment that is otherwise sound. Replacement is more common when the system is near end of life, parts are scarce, or comfort and efficiency goals cannot be met with the existing unit and ducts. An on-site assessment should drive that choice.

Who handles the HVAC permits and licensing?

A municipally licensed Denver general contractor coordinates the project and the licensed specialty trades required for the work. Local city or county building departments issue mechanical and related permits. Colorado has no statewide general contractor license.

Do heat pumps work in Denver winters?

Cold-climate heat pumps can be appropriate for many Denver-metro homes when sized and installed for local design temperatures, often with a planned backup heat strategy. Suitability depends on the building envelope, electrical service, and comfort expectations.

How is commercial HVAC different from residential work?

Commercial projects more often involve rooftop equipment, larger duct systems, tighter sequencing around occupancy, and coordination with roofing and structural openings. Access for lifts or cranes can dominate the schedule.

What information helps define an accurate HVAC scope?

Equipment type and age if known, symptoms or comfort complaints, fuel source, recent utility bills if available, remodel drawings, and photos of the furnace closet, attic, or rooftop unit. Note the city or county for permitting.

Service Area

Serving Louisville and Boulder County

We serve Louisville, CO and all surrounding Denver metro communities. Our team is based in Denver and operates throughout the Front Range, from Castle Rock to Longmont and everywhere in between. Contact us for a free estimate on your Louisville project.

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