
Valencia County's seat, south of Albuquerque
Spray Foam Insulation in Los Lunas, NM
Fast growth since the 1990s, older valley homes and a wide range of temperatures.
- Free on-site estimates
- Written quote naming foam type, thickness and R-value for each area
- Roof, attic and duct problems pointed out before anything gets covered
A Growing Valley Town
Spray Foam Insulation in Los Lunas covers both new subdivisions and old valley homes. The village is the Valencia County seat, with 17,242 residents and 6,705 housing units at the 2020 census. Wikipedia notes rapid growth in the 1990s and early 2000s, when Los Lunas High School's enrollment reached nearly 2,500 and a second high school opened to relieve it. Many homes from that period now have attics that are 20 to 30 years old.
Extreme readings
Los Lunas sits at about 4,860 feet on the west bank of the Rio Grande. Wikipedia records a high of 110F on August 13, 1948 and a low of -25F on January 7, 1971. Those are extremes, but they show the range a house has to handle. Most years bring hot, dry summers and nights below freezing in winter.
Newer homes
Homes built in the growth years were built to the codes of their time, often with less attic insulation than DOE now recommends for an existing home: R-60 for an empty attic in zone 4. Sealing the attic floor and topping up the insulation is the most common job. Bonus rooms over garages and the joints where additions meet the house come next.
Older valley homes
Closer to the river and the historic center, older adobe and frame homes need a different plan. Adobe walls are solid, so the roof and ceiling get the attention. Flat roofs on older homes can get foam roofing when they come due for replacement.
Code zone
OpenEI lists Valencia County in IECC Climate Zone 4B, the same as Bernalillo County. New Mexico's 2021 residential code sets ceiling insulation at R-49 for new work in that zone.
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What to Know in Los Lunas
- Growth. Los Lunas had 17,242 residents and 6,705 housing units at the 2020 census and grew rapidly in the 1990s and early 2000s (Wikipedia).
- Temperature records. Recorded extremes are 110F on August 13, 1948 and -25F on January 7, 1971; the village sits at about 4,860 feet (Wikipedia).
- Code zone. Valencia County is in IECC Climate Zone 4B (OpenEI); the state's 2021 code sets R-49 for ceilings.

Los Lunas Questions
My Los Lunas home is from the 2000s. Does it need more insulation?
It may need sealing and a top-up in the attic more than anything else. We measure the depth and check the hatch, lights and garage ceiling.
How hot does it get in Los Lunas?
The record is 110F, set in 1948. Typical summers are hot and dry, which is why attic and roof insulation matter most here.
Do you insulate older adobe homes in Los Lunas?
Yes, usually through the roof and ceiling, since adobe walls are solid.
Is Valencia County in the same code zone as Albuquerque?
Yes. OpenEI lists both Valencia and Bernalillo counties in Climate Zone 4B.
Free Estimates in Los Lunas, NM
Los Lunas homeowners: request a free estimate.
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