SHAWNEE, KS — MrHVAC.com, which describes itself as “the largest website of its kind in the world,” has announced improvements to its website, www.mrhvac.com.
The website has added free materials and software to a lineup that already includes: free heat load software, free conversion software, free workshops, free management materials, flat-rate pricing, video-tapes, training materials, and much more. The website also features a Manual J Short Form calculator.