Mechanical Contractor in Denver & Colorado
Commercial and residential mechanical installation — HVAC, VRF, rooftop units, boilers, PTAC replacements, new walk-in refrigeration, water heating and the electrical and backup power that supports them.
Mini-Splits by Joseph is a Colorado mechanical contractor for property owners, builders, facility managers and homeowners. We design, supply and install mechanical systems for single-family homes, multifamily buildings, hotels, offices, shops and warehouses across the Denver metro, the Front Range and mountain communities, and coordinate permits, inspections, start-up and rebate paperwork.
Mechanical systems we install
VRF / VRV Systems
Variable refrigerant flow for offices, mixed-use and multifamily buildings — Daikin VRV, Mitsubishi City-Multi and Fujitsu Airstage.
Commercial VRF →Commercial Heating
Reznor unit heaters, rooftop units and make-up air systems for warehouses, shops and retail spaces.
Commercial heating →Commercial Heat Pumps
Ducted and ductless heat pump systems for commercial spaces, with Xcel commercial and Mountain Energy rebates where available.
Commercial heat pumps →PTAC Replacement
Hotel and multifamily PTAC units, including high-efficiency replacement programs for residential buildings.
PTAC units →Boilers & Hydronics
Condensing boilers, combi units and air-to-water heat pumps for radiant and baseboard heating.
Boilers →New Walk-In Coolers & Freezers
Custom new walk-in boxes — indoor and outdoor — built with Crown Tonka panels and Heatcraft refrigeration systems.
Walk-in coolers & freezers →Water Heating
Heat pump, tankless and tank water heaters for homes and commercial buildings.
Water heaters →Electrical & Backup Power
Panel upgrades for heat pumps and EV chargers, standby generators and Tesla Powerwall battery backup.
Electrical upgrades →How we run a mechanical project
- Site survey and load calculation — equipment sized for the building and for Colorado altitude.
- Equipment selection and submittals — options with efficiency, lead times and rebate eligibility laid out.
- Permits and coordination — mechanical and electrical permits, and coordination with GCs, building managers and inspectors.
- Installation and start-up — clean installs, refrigerant piping to manufacturer spec, controls set up and tested.
- Close-out — warranty registration, documentation and rebate submissions.
Who we work with
- Property owners and managers of multifamily, hotel and mixed-use buildings
- General contractors and builders on new construction and renovations
- Restaurants, breweries, cannabis facilities and food businesses needing new walk-in refrigeration
- Warehouses, shops and offices needing heating, cooling or make-up air
- Homeowners upgrading to heat pumps, new water heaters or backup power
Mechanical contractor FAQ
Do you work on new construction?
Yes. We install mechanical systems for new builds, additions and renovations, and coordinate with your general contractor’s schedule.
Do you repair refrigeration equipment?
No. Our refrigeration work is new walk-in cooler and freezer installation and refrigeration infrastructure replacement. For heating and cooling systems we do offer repair and maintenance.
What areas do you cover?
The Denver metro and Front Range — from Fort Collins to Castle Rock — plus mountain communities including Evergreen, Conifer and Summit County.
Planning a mechanical project?
Send us plans or tell us about the building and we’ll put together a clear scope and estimate.