- REAL PROJECTS. REAL RESULTS.
Customer Stories
See how homeowners across the region transformed their homes with expert
window replacement guidance from Sandia Sunrooms & Windows.
The Harrington Family
“Sandia 3 made the whole process so easy. They helped us compare four brands and walked us through every spec. We saved over $2,000 compared to the first quote we got elsewhere.”
14 units
WINDOWS REPLACED
Andersen S100
BRAND SELECTED
31% Reduction
ENERGY SAVINGS
$25,760
PROJECT VALUE
- Energy Star Certified
- $2,100 Saved vs. Competitor
- Lifetime Warranty
Sandra & Mark Okafor
“The team helped us understand that Infinity by Marvin was the right choice for our historic home. The comparison tool on Sandia 3 was genuinely eye-opening.”
9 units
WINDOWS REPLACED
Infinity by Marvin
BRAND SELECTED
STC Rating 34
ENERGY SAVINGS
$17,780
PROJECT VALUE
- Historic Home Compatible
- Noise Reduction
- Fiberglass Frame
“We went with ProVia and are thrilled. Windowwise 3 saved us from choosing the wrong product for our climate.”
Brian T.
Sandia Heights, NM
- ProVia
“Alpine windows were perfect for our budget. The guide helped us understand we weren’t sacrificing quality.”
Lena M.
Santa Fe, NM
- Alpine
“The second quote recommendation alone saved us $3,400. I tell every neighbor about Sandia.”
James & Carol R.
Bernalillo, NM
- Andersen
- THE PEOPLE BEHIND WINDOWWISE 3
Meet Our Team
We’re experienced window professionals, certified installers, and homeowner
advocates — here to help you make the right decision with confidence.
We're not tied to any brand. Your best outcome is our goal.
AAMA certified, EPA Lead-Safe, and energy- certified consultants.
Over 6,000 homeowners guided to the right window choice.
Rated by homeowners across 340+ verified Google reviews.
David Calloway
Founder & Lead Consultant
5.0
- 22 yrs experience
- AAMA Certified
“I started Sandia because homeowners deserved an unbiased guide — not a sales pitch.”
Maria Chen
Energy Efficiency Specialist
4.9
- 14 yrs experience
- BPI Certified
“Understanding U-factors and SHGC changed everything for my clients in cold climates.”
Tom Waleski
Installation Quality Inspector
4.8
- 18 yrs experience
- EPA Lead-Safe
“A great window installed poorly is worse than a budget window done right.”
Priya Nair
Homeowner Advocate & Advisor
5.0
- 9 yrs experience
- NFRC Trained
“I make sure every homeowner leaves knowing exactly what they’re getting —
no surprises.”
OUR CERTIFICATIONS & CREDENTIALS
AAMA
Certified
Energy Star
Partner
EPA Lead-Safe
Certified Firm
Google Rated
4.9 / 340+ Reviews
BBB Accredited
A+ Rating
6,000+
Homeowners Guided
- HOMEOWNER EDUCATION
Frequently Asked Questions
Everything you need to know before comparing or buying replacement windows. No jargon, no pressure.
What's the difference between Andersen, Infinity by Marvin, ProVia, and Alpine?
Each brand targets a different buyer. Andersen 400 Series is a premium wood-clad hybrid window with wide customization. Infinity by Marvin uses fiberglass construction — ideal for historic homes or extreme climate zones. ProVia is a mid-premium vinyl/composite option known for tight tolerances and dealer-network installation. Alpine offers reliable vinyl construction at a more accessible price point.
- Our comparison guide scores each brand across 8 dimensions so you can see the tradeoffs side by side.
How many quotes should I get before deciding?
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What does U-factor and SHGC mean, and why does it matter?
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Are replacement windows worth the investment?
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What financing options are available for window replacement?
Most certified installers offer 0% APR for 12–18 months through financing partners like GreenSky or Synchrony Home. Some homeowners also qualify for PACE (Property Assessed Clean Energy) programs, which tie payments to property taxes rather than credit scores.
12–18 months available
Tax-based repayment
Up to $600 IRA credit
How long does window installation typically take?
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What warranty should I expect from a replacement window?
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Can I use Sandia Sunrooms & WIndows if I already have a quote from a contractor?
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WHAT HOMEOWNERS SAY ABOUT OUR GUIDANCE
“The FAQ section alone taught me more than 3 contractor visits. I finally understood what I was buying.”
Kevin D. — Hilliard, OH
“Sandia Sunrroms 3 gave me the confidence to push back on a contractor quote that was overpriced by $4,000.”
Angela W. — Gahanna, OH
Trusted by 6,000+
homeowners since 2018
4.9
A+
$1,800–$4,000
97.3%
0% APR for qualified buyers
Replace your windows today with low monthly payments. Ask us about IRA tax credits up to $600 and PACE programs.
How to Read a Window Quote: The 7 Line Items That Matter
Andersen vs. Infinity by Marvin: Side-by-Side 2026 Guide
Window Installation Red Flags: What to Watch For
- 4.9★ Google Rating
- BBB Accredited A+
- 6,000+ Homeowners Guided
- No Pushy Sales, Ever
Ready to Make a Smart Window Decision?
Join thousands of homeowners who used Sandia Sunrooms & Windows to compare brands, decode contractor quotes, and save thousands. Get your free, unbiased consultation today.
- No obligation. Free consultation.
- Response within 2 business hours
- Expert advice on Andersen, Marvin, ProVia & Alpine
Our certified team is ready to help you today
(614) 555-0192 · Mon–Sat 8am–7pm
Chat with an advisor now — avg. 90s response
Albuquerque, see service areas