Best Seller4.9
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Live Prices
Rockwool 50mm — NPR 155/sqft
🇳🇵 Nepal's #1 Soundproofing & Insulation
Soundproofing, Insulation & Acoustic Nepal
Nepal's most trusted supplier of acoustic treatment, thermal insulation, fresh air ventilation and WPC decking. Prefab House Nepal Pvt. Ltd. — Khumaltar-15, Lalitpur.
- Soundproofing & acoustic treatment — studios, offices, hotels
- Rockwool & glasswool insulation — NPR 155/sqft
- Fresh air AHU, exhaust fans & heat recovery (HRV)
- GI ductwork design, fabrication & installation
- WPC decking & wall cladding — NPR 950/sqft
- Free site visit anywhere in Nepal — all 77 districts
500+ Projects
NBC Compliant
Free Site Visit
Nepal Air & Insulation
Studio Soundproofing
Acoustic Foam
NPR 950/sqft
WPC Decking
NPR 950/sqft
Rockwool 50mm
NPR 155
per sqft · A1 non-combustible
500+
Projects Done
Hotels, studios, factories
NPR 155
Rockwool/sqft
Best price in Nepal
7+ yrs
MEP Experience
Since 2018
77
Districts Covered
All of Nepal
0+
Projects Completed
Hotels, studios, factories
0+
Happy Clients
All 77 districts
0+
Product Types
Full insulation range
0+ yrs
Experience
Established 2018
Our Products
Insulation & Ceiling Materials
Nepal's most complete range — Rockwool at NPR 90/sqft to full drywall systems. Click any product for full details.
Best Seller
Popular4.8
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4.7
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Studio Grade4.9
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Industrial4.8
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ventilation
Industrial Centrifugal Blower Fan
High static · Industrial · 3-phase · Factories & parking
4.6
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ventilation
Aluminium Ventilation Grille / Register
Supply/return air grilles · Aluminium · Multiple sizes
Premium4.9
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Energy Star4.9
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ventilation
Heat Recovery Ventilator (HRV/ERV)
92% heat recovery · Reduces HVAC cost 30–50% · Nepal climate
Need bulk pricing or a custom quote?
Discounts for orders above NPR 5 lakhs · Nepal-wide delivery · Free site visit
Our Services
Complete Air & Insulation Solutions
Design, supply, and professional installation of ventilation, exhaust, fresh air, and insulation systems across Nepal — hotels, offices, hospitals, factories.
💨
Fresh Air Ventilation
Complete fresh air handling systems for hotels, offices, hospitals. AHU + ductwork + grilles. ASHRAE 62.1 compliant ventilation rates guaranteed.
🌬️
Exhaust Ventilation Systems
Industrial exhaust fans, kitchen hoods, toilet exhaust, parking garage ventilation. Engineered for correct air changes per hour (ACH) per space.
♻️
Heat Recovery Ventilation
HRV/ERV systems recover 85–92% of energy from exhaust air. Dramatically reduces heating/cooling costs. Perfect for Nepal's extreme seasonal climate.
🔧
HVAC Ductwork Design
Complete GI sheet metal ductwork fabrication and installation. Supply, return and exhaust ducting. Balancing, commissioning, and BMS integration.
🔥
Thermal Insulation
Rockwool, glasswool, PU spray foam for roofs, walls, floors, and HVAC ducts. Reduces HVAC load by up to 40%. NBC 105:2020 compliant.
🔇
Acoustic Soundproofing
Complete acoustic treatment for studios, boardrooms, hotel rooms. Foam panels, fabric-wrapped Rockwool, STC-rated drywall partitions.
Our Work
Real Projects, Real Results
500+ installations across Nepal — studios, hotels, offices, factories, hospitals.
StudioMusic Recording Studio
Kathmandu
BroadcastBroadcast / Podcast Studio
Lalitpur
AcousticConference Room Acoustics
Various
InsulationStudio Wall Insulation
Kathmandu
ThermalGlasswool Ceiling Install
Bhaktapur
SupplyRockwool Slab Supply
Khumaltar
AcousticAcoustic Foam Install
Lalitpur
DesignInsulation System Design
Nepal
Complete Air & Insulation Solutions
Khumaltar, Lalitpur — Prefab House Nepal Pvt. Ltd.
Ventilation Pricing
Axial Fan: NPR 8,500+
AHU: NPR 1.85 Lakh+
About Nepal Air & Insulation
Your One-Stop Air & Insulation Partner
Operating as a division of Prefab House Nepal Pvt. Ltd. since 2018, we provide Nepal's most complete range of ventilation, exhaust, fresh air, and insulation systems for hotels, offices, hospitals, and factories.
Fresh air AHU & HRV/ERV systems for hotels and offices
Industrial exhaust fans & commercial kitchen hoods
GI ductwork design, fabrication & installation
Rockwool from NPR 90/sqft — thermal + acoustic
HVAC duct insulation with glasswool foil rolls
BMS-integrated smart CO₂ ventilation controls
Professional installation — all 77 districts of Nepal
Premium Ventilation & Insulation
Khumaltar, Lalitpur — Prefab House Nepal
HRV Energy Savings
Heat recovery: up to 92%
Energy saving: 30–50%
Why Choose Us
Nepal's Most Trusted Air & Insulation Partner
From a single exhaust fan to a complete hotel HVAC system — we design, supply, install, and commission. One trusted partner for all your ventilation and insulation needs in Nepal.
End-to-End Ventilation
Design, fabricate, install, and commission complete air systems.
Thermal + Acoustic
Rockwool, glasswool, foam — full insulation range in Nepal.
NBC & ASHRAE Compliant
All systems meet Nepal Building Code and international standards.
All 77 Districts
Nepal-wide supply and installation with local team.
Free Site Survey
Our engineers visit, measure, and specify — at no cost.
7+ Years Experience
Trusted by Nepal's top hotels, hospitals, and offices since 2018.
Process
Simple 4-Step Process
1
Contact Us
WhatsApp, call, or submit our contact form. Tell us your space, area size, and requirement.
2
Free Consultation
We visit your site, assess requirements, and recommend the right materials within your budget.
3
Supply & Deliver
Quality-checked materials delivered anywhere in Nepal within agreed timelines.
4
Install & Warranty
Professional installation by certified team. 1-year workmanship warranty included.
Client Reviews
What Our Clients Say
“Prefab House Nepal supplied Rockwool insulation for our entire hotel. HVAC bills dropped 40% in year one. Professional team, excellent quality.”
R
Rohan Shrestha
Hotel Owner, Kathmandu
“The glasswool roll installation in our factory roof transformed the working environment. Workers are far more comfortable and productive.”
S
Sanjay KC
Factory Manager, Bhaktapur
“My recording studio is now completely soundproof. Nepal Acoustic designed and installed everything — bass traps, foam panels, the works.”
P
Priya Adhikari
Studio Owner, Lalitpur
“I recommend Insulation Nepal to all my clients. Best product range, competitive prices, and a technically knowledgeable team.”
A
Arun Gurung
Architect, Pokhara
Get in Touch
Ready to Improve Your Air Quality?
Our engineers will survey your site, design the right ventilation and insulation system, and provide a detailed quote — anywhere in Nepal, completely free.