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Windham, NH & the surrounding corridor
The smartest, best-run home in the neighborhood.
Cairn Home Co. brings premium smart-home technology, licensed trades, and 24/7 care under one accountable roof. Your home, handled.
24-hour estimates · weekends included
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NH Registered
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Fully Insured
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Licensed Trades
04
24/7 Emergency
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NH registered
OSNH Home Services LLC, an established New Hampshire company.
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Fully insured
General-liability coverage on every job, in every home.
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Licensed trades
Electrical and plumbing performed by NH state-licensed professionals.
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One company
Smart home, build, and care — one accountable point of contact.
Three divisions, one accountable team
One company. Every system.
Most homeowners juggle a different number for every problem. We replace the whole list with one trusted team.
01Flagship
Cairn Smart
Home automation, theater, networking, lighting, shades, and security — designed and installed to feel effortless.
Home Automation · Home Theater & AV · Wi-Fi & Networking · Smart Lighting
Explore Cairn Smart02
Cairn Build
General contracting, remodels, and electrical work delivered by licensed pros and managed end to end.
Electrical · Remodeling & GC · EV Chargers · Generators
Explore Cairn Build03
Cairn Care
Plumbing, drain clearing, handyman work, 24/7 emergency response, and recurring home-care plans.
Plumbing · Drain Cleaning · Handyman · AC Repair
Explore Cairn Care04
Cairn Grounds
Irrigation, sprinkler systems, landscape lighting, and seasonal outdoor care for your property.
Sprinkler Systems · Irrigation Repair · Winterization · Irrigation Timers
Explore Cairn GroundsEmergency response
Burst pipes, backed-up drains, no power, no heat — we answer when others don't.
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Same-day parts in stock
We stock common parts on the truck, so many repairs are done the same day.
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Direct manufacturer access
Direct supplier and manufacturer relationships plus wide inventory access keep jobs moving.
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24-hour estimates
Someone out to quote within 24 hours — weekends included.
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One company, every system
Smart, build, care, and grounds under one licensed, insured, accountable roof.
Technology that works for you
How it works
▲ CAIRNBook
What do you need?
Smart HomeDrainsElectricalIrrigation
Arrival window
8–10 AM
10–12
1–3 PM
3–5 PM
Get instant estimate →
▲ CAIRNDispatched
▲
Mike R. is assigned
Licensed pro · arriving today · tracking live
▲ CAIRNStatus
✓Confirmed
✓On the way
✓In progressNOW
4Complete
No holds — on schedule. ETA complete 2:40 PM.
▲ CAIRNApprove
Change order
Add surge protector$240
Extra drop run$120
Added total$360
Approve
Decline
Nothing extra happens until you tap approve.
▲ CAIRNPay
Invoice CHC-INV-1042
$1,480.00
Pay securely with Square
✓Paid — receipt sent. Thank you!
Cairn Home Co. · one company, one invoice
Independently rated
4.9/5 · 10 reviews · 19 completed jobs
★★★★★5.0
Electrical help
2 reviews
★★★★★5.0
Plumbing help
2 reviews
★★★★★5.0
General Mounting
2 reviews
★★★★★5.0
Flooring & Tiling Help
1 review
★★★★★5.0
Furniture Assembly
1 review
★★★★★5.0
Light Carpentry
1 review
★★★★★4.0
TV Mounting
1 review
ID-verified, 4.9★ across 19+ jobs — read the reviews on TaskRabbit →
Home-care plans
Membership turns one-off fixes into a home that is watched over year-round — priority service, member pricing, and proactive care.
Foundation
Proactive care for a connected home.
$99/month
Homeowners with a smart-home or networking system who want it watched over.
- 2 maintenance visits per year (spring + fall)
- Remote monitoring — alerts if a camera, network, or smart device goes offline
- 48-hour priority scheduling ahead of non-members
- 10% off all labor and materials
- Annual whole-home systems review with a written report
- Smart-home + Wi-Fi firmware updates kept current
Most chosen
Signature
Whole-home maintenance, handled.
$249/month
Busy professionals who want one company keeping the whole home in order.
- Everything in Foundation
- 4 quarterly seasonal maintenance visits
- 1 included service hour each quarter (small fixes, mounting, adjustments)
- Annual safety checks: drain flush, water-heater + plumbing, electrical panel
- Same-day priority + after-hours emergency response
- 15% off all labor and materials
Estate
Full property management and concierge care.
$499/month
Estate and second-home owners who want total peace of mind.
- Everything in Signature
- Monthly on-site property walkthrough with a photo report
- 2 included service hours per month
- 24/7 concierge line with a guaranteed 2-hour emergency response window
- Vacant / second-home watch (weekly check while you're away)
- Vendor coordination + project management for out-of-scope work
- 20% off all labor and materials
Start here
Get your free quote
Tell us about your project. We respond fast — usually the same day — with a clear, honest plan.
- — Same-day response on most requests
- — Licensed, insured, and accountable
- — Clear pricing before any work begins