Why insulate
Why do Highland homes need insulation attention?
Highland's 1900-1940 housing era means most original construction was done before residential insulation was standard practice. Even after the area's recent gentrification wave, a substantial share of attics still have minimal or no insulation — particularly in homes whose renovations focused on kitchens, baths, and finishes rather than thermal envelope.
Renovated Highland homes are a mixed bag from an insulation standpoint. Some renovations did open walls and properly insulate; many did not. An audit on a renovated Highland home commonly finds the visible upgrades are excellent but the attic plane is often still close to its original starting point. Top-up plus air sealing brings these homes to current code in a single rebate-eligible visit.
Highland Victorians and bungalows often have steep, complex roof geometries — turrets, shed dormers, multiple gables. This makes attic access and even thermal coverage harder than on a 1970s ranch. Reputable crews handle Highland geometry with a combination of blown-in (where access permits) and dense-pack (in inaccessible cavities) — a good audit maps this out before quoting the work.
According to ENERGY STAR's Seal and Insulate program, “EPA estimates that homeowners can save an average of 15% on heating and cooling costs (or an average of 11% on total energy costs) by air sealing their homes and adding insulation in attics, floors over crawl spaces and basements.”
Common projects
What insulation projects are most common in Highland?
The right material and scope depends on your home's age, current insulation, and where comfort or efficiency is falling short.
Attic Insulation
Highland Victorians often need creative attic strategies — blown-in where geometry allows, dense-pack in tight cavities; most homes go from near-zero +.
Wall Insulation
1900s-40s Highland walls usually have no cavity insulation; dense-pack cellulose retrofits transform comfort without harming original plaster.
Crawl Space
Highland stone-foundation crawl spaces benefit from sealing and insulation — fixes drafts and historic moisture issues.
Blown-In Insulation
Blown-in cellulose is the typical Highland attic product where geometry allows, after asbestos testing on pre-1990 homes.
Spray Foam
Closed-cell foam at rim joists in Highland's stone-foundation basements is high-leverage for air-sealing chronic infiltration.
Energy Audit
Essential on Highland homes — varied original construction and complex roof geometry rewards diagnostic scoping.
Cost & the cost of waiting
How much does insulation cost for Highland homes — and what does waiting cost?
Highland homes range from compact 1,300 sq ft bungalows to 3,000+ sq ft Victorians and post-renovation expansions. No primary source publishes a Denver-specific installed cost, so this page doesn't print a figure; the free in-home estimate prices your specific home. Cost drivers specific to Highland include asbestos vermiculite testing on pre-1990 builds, complex roof geometry (turrets, multiple gables) requiring more skilled labor and access setup, and coordinating with renovation timelines on homes mid-update. The 2026 Xcel rebate programs — standard, Whole Home Efficiency Bonus, and the income-qualified programs where applicable — are capped per measure on a qualifying project.
Every winter you don't upgrade a pre-1990 attic, you're heating the attic through the ceiling.
According to ENERGY STAR, recommended insulation levels for retrofitting existing wood-framed buildings in Zones 6, 5, and 4C are R60 added to the attic if your attic is uninsulated, or R49 if you already have 3-4 inches of insulation.
Cost figures are conservative ranges. The free in-home estimate gives exact numbers based on your home, current insulation, and any required pre-work — not a range.
Rebates & credits
What rebates can Highland homeowners claim?
Highland is in Xcel Energy service territory, with full access to the 2026 metro Denver rebate programs including the Whole Home Efficiency Bonus.
- Xcel Energy Insulation and Air Sealing Rebate — standard utility rebate for Xcel heating customers, paid by check after application. Work must be completed by a participating contractor, with a blower door test before and after documenting a reduction of at least 20% in CFM50.
- Xcel Whole Home Efficiency (WHE) Bonus — adds a 25% bonus on all standard rebates when three qualifying measures are completed within two years of enrolling.
- Xcel Insulation + Air Sealing Combo Bonus — a bonus when rebate-qualifying air sealing and insulation are installed before a qualifying space-heating heat pump, within two years of each other by invoice dates; the current bonus amount is set out on Xcel's own program pages.
- Xcel's income-qualified programs — eligibility is set out on Xcel's own program pages.
- Power Ahead Colorado (DRCOG) — Denver-region incentive program. Published policy funds heat pump and heat pump water heater incentives; insulation and air sealing are recommended preparation steps, not incentivized measures. Not yet live.
For current Xcel rebate amounts and program rules, see the Xcel Energy insulation and air-sealing rebates program page. For Colorado-program status (including HEAR closure and Power Ahead Colorado launch), see the Colorado Energy Office Home Energy Rebate page. Eligibility may depend on income, program funding levels, and qualifying product specifications.
Get a quote
Tell Us About Your Home
We've Got It. Here's What Happens Next.
We've got your info and are routing it to a local pro. When they call, here's what to look for in the quote you receive: (1) R-value target — the 2021 IECC sets a ceiling minimum of R-60 in Climate Zone 5 (Table R402.1.3); R-49 qualifies only where uncompressed insulation extends full-height over the top plate at the eaves. (2) Air sealing scope — insulation and air sealing work together; sealing the leaks first is what lets the insulation do its job. If a quote skips both, get another quote. The federal IRA Section 25C tax credit ended December 31, 2025, and Colorado's HEAR single-family program is now closed for both Region 1 (the Front Range) and Region 2. Xcel Energy programs are the ones still paying on Denver-area insulation projects in 2026.
Frequently asked
What do Highland homeowners ask most about insulation?
Should I do this if my Highland home was built after 2010?
Not urgently — but 'built after 2010' is not the same as 'done.' Post-2010 Highland homes typically went up with R-30 to R-38 in the attic, under the R-60 ceiling minimum current code sets for Climate Zone 5B. If your bills are normal and your comfort is fine, the return is slower than on a pre-1990 attic, so it can wait. Where these homes pay back: settled batts and unsealed attic-plane penetrations show up in the 10-15 year window. We'll tell you straight when we look at it.
Does my Highland home qualify for Xcel rebates?
Most Highland addresses are in Xcel Energy service territory and qualify for the 2026 Xcel Energy Insulation and Air Sealing Rebate, plus the Whole Home Efficiency Bonus when three or more efficiency measures are completed within two years of enrolling. The pro on your job confirms eligibility against your specific address before scoping work.
How much does attic insulation typically cost for a Highland home?
Highland homes range from compact 1,300 sq ft bungalows to 3,000+ sq ft Victorians and post-renovation expansions. The full quote depends on home size, current insulation level, and required pre-work — the free in-home estimate gives exact numbers, not a range.
Do you serve all of Highland?
Yes — every Highland ZIP and neighborhood, plus the surrounding Denver metro. Service areas listed at the bottom of this page show the neighborhoods we work in regularly.
What R-value should I aim for at Denver's altitude?
Denver sits in IECC Climate Zone 5B. Table R402.1.3 of the 2021 IECC sets the ceiling insulation minimum at R-60; R-49 satisfies that requirement only under Section R402.2.1, where the full height of uncompressed R-49 insulation extends over the wall top plate at the eaves. Walls are R-20 cavity by current code (R-13 cavity plus R-10 continuous insulation is another compliant path). ENERGY STAR separately recommends adding R-60 if your attic is uninsulated, or R-49 if you already have three to four inches.
I just renovated my Highland home. Do I still need insulation work?
Often yes. Many recent Highland renovations focused on kitchens, baths, and finishes; the attic plane was untouched. An audit typically finds R-11 to R-19 attic insulation in homes whose visible interior is brand-new. Topping up plus air sealing is usually a one-day job and qualifies for the 2026 Xcel rebate programs.
Service area
Where do you provide insulation services in and around Highland?
- Highland
- LoHi (Lower Highland)
- Sloan's Lake
- Sunnyside
- Jefferson Park
- Berkeley
- 80211
- 80212
- 80216