DotBlue LLC

A UniCo Group company

DotBlue makes the .blue family: free tools for homeowners and software for HVAC contractors, built and run with UniColorado in Denver, Colorado.

The QMID lookup on rebate.blue

rebate.blue

Free QMID lookup for IRS Form 5695, and heat pump efficiency data from AHRI, NEEP and ENERGY STAR.

  • 895,611 AHRI-certified systems and 343 manufacturers in its data (October 2026)
  • Also processes the rebates on UniColorado's installs, behind sign-in
rebate.blue
The calc.blue home page

calc.blue

Manual J load calculation on iPad Pro with LiDAR: room-by-room heating and cooling loads, heat pump sizing with Manual S, and reports for the permit, the installer and the homeowner.

  • Built on ACCA Manual J 8th edition procedures; works offline
  • Opening to contractors in small groups
calc.blue
The nameplate lookup on spec.blue

spec.blue

HVAC model and serial number lookup: what a unit is and when it was made, with every value linked to the manufacturer document it came from.

  • 779 model families, 39 serial formats, 45 brands
  • Free, no account
spec.blue
The heatpump.blue lockout temperature tool

heatpump.blue

Finds the outdoor temperature where a heat pump stops saving money, for a home's weather, model and rates, and what the current thermostat setting costs.

  • About 15 years of hourly NOAA weather, EIA fuel prices and NREL utility rates
  • Free, no account, anywhere in the US
heatpump.blue
The Denver forecast on forecast.blue

forecast.blue

Fast, ad-free US weather: what will happen where you are, how sure the forecast is, and what it means for your home.

  • National Weather Service forecasts and alerts; US, European, German and Canadian models for the ranges; its own NOAA MRMS radar
  • No ads, no accounts, no third-party trackers
forecast.blue

Also in the family

DotBlue LLC is part of UniCo Group, a family-owned holding company in Denver, Colorado.

inquiries@unicocompanies.com