NM HVAC Contractor case studies
NM HVAC Contractor · Put your knowledge to work in context.
The New Mexico HVAC contractor credential is a mechanical (MM-98) trade license issued through the state's Construction Industries Division. It authorizes a business to contract for the installation, alteration, repair, and service of heating, ventilating, air conditioning, and related refrigeration systems in New Mexico. The NM HVAC Contractor case studies are 5 cases and about 2,653 words.
1Expired Qualifying Party and a Borrowed License on a Dental Clinic Retrofit
A residential HVAC company holds a New Mexico mechanical (MM) contractor license. Its qualifying party resigned 45 days ago and has not been replaced, but the owner keeps bidding because the renewal fee was paid and the license certificate is still on the wall.
561 words, about 3 min2Oversizing a Furnace and AC in Albuquerque at 5,300 Feet
A homeowner in Albuquerque, elevation about 5,300 ft, has a 2,100 ft² single-story house built in 1998. The existing 80,000 Btu/h, 80% AFUE furnace and 3-ton R-22 air conditioner are 22 years old.
553 words, about 3 min3Backdrafting Boiler and Water Heater in a Tight Mechanical Closet
A 1960s ranch house has a 120,000 Btu/h atmospheric-draft natural gas boiler and a 40,000 Btu/h natural gas water heater in an 8 ft x 10 ft x 8 ft mechanical closet. The closet has a solid door with a 1-inch undercut and no outside combustion air.
543 words, about 3 min4R-404A Leak, Top-Off, and R-22 Question at a Walk-In Freezer
A commercial refrigeration technician services a walk-in freezer at a grocery store. The system uses R-404A and the nameplate charge is 85 lb.
487 words, about 2 min5Five-Ton Condenser on 10 AWG Wire and a 50 A Breaker
A contractor installs a 5-ton split system. The condenser nameplate lists minimum circuit ampacity 32.5 A and maximum overcurrent protection 40 A.
509 words, about 3 min