Top-Rated Insulation Pros Near You in Redwood City, CA

J M Insulation

Providing upgrades, new and removal of insulation. We have a great clean-up and have been doing this type of business for many years. We can make recommendation's that can save you hundreds of dollars on an annual basis. Call us to schedule your project now!

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Apperson Energy Management

Founded in 1982 as primarily an insulation company, Apperson Energy Management has evolved over the last 30+ years to become a leader in local building performance contracting. As building standards have changed, energy efficiency measures have become more important, and our understanding of building science has grown, this company continues to be on the cutting edge of home performance.

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West Coast Insulation, Inc.

Insulation weatherization products and services provider

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Nor-Cal Insulation, Inc.

Nor-Cal Insulation, Inc. is a reliable, prompt and professional service that has the ability and manpower to accommodate any of your insulation needs. Covering almost all of the Bay area, this company is poised to make a big splash.

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Attic Construction, Inc.

Welcome to Attic Construction, Inc.! We are committed to exceeding your expectations and as an expert professional, we will handle your needs with the high quality expertise that you and your home deserve. We offer competitive prices and customer satisfaction is our number one priority. Call for a free estimate today!

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Attic Advisor

All Type Insulation Services is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers' interests, and make their concerns the basis of our business. How We Got Started I chose to work in

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Pro Insulation, Inc.

We are a full service insulation contractor serving all your insulation needs including attic cleanup, rodent exclusion, attic and wall insulation. We are honest, fair, reliable and practical. We believe that we offer the best package of price, quality and service in the insulation industry! Upon meeting and determining your needs we will provide a free estimate based on what is best for your project. We will not try to sell you products or services that you do not need. Please review our ratings. Our goal

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Synergy Companies

Synergy Companies, is one of the largest energy services companies in California and has been in business for over 35 years. At Synergy Companies, we can help you upgrade any energy efficiency measure in your home (e.g., insulation, whole house fan, etc.). We will also help you get qualified and enrolled in the many energy rebates available to you. Give us a call for a free estimate.

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Masco Contactor Services of California, Inc

Since 1963, Masco Contractor Services of CA, Inc., has been building relationships in the residential construction industry. We have built a business on products and priority solutions. With equal effort and commitment, we've built lasting relationships with our customers and the community. The two facets are interdependent and vital to the viability of our company.

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Spring Valley Insulation Contractors

With over 30 years of experience, Spring Valley Insulation Contractors, is your go to team of professionals for all of your needs. We work tirelessly to meet and exceed your expectations and constantly strive for perfection. Give us a call today and let's get started! How We Got Started We started in this industry in 1968. We describe our business as Rooted in the community

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About Insulation Pros in Redwood City, CA

Proper insulation is essential for maintaining energy efficiency and comfort in Redwood City homes, where the unique climate and housing characteristics demand specialized solutions. Whether you’re dealing with older ranch-style homes in neighborhoods like Mount Carmel or modern builds in Emerald Hills, insulation plays a critical role in regulating indoor temperatures, reducing energy bills, and improving overall air quality. Redwood City’s moderate Mediterranean climate, with cool winters and warm, dry summers, necessitates insulation materials that offer excellent thermal resistance while addressing potential humidity and air leakage issues.

Given California’s strict energy codes, including Title 24 requirements, homeowners in Redwood City must ensure their insulation meets the mandated R-value standards for maximum efficiency. Local regulations enforced by the Redwood City Building & Inspection Division also call for proper air sealing, blower door testing, and compliance with fire safety codes—especially in wildfire-prone areas. For attic insulation, blown-in fiberglass or cellulose typically costs between $2 to $4 per square foot, while comprehensive home retrofits range from $5,000 to $15,000, depending on the property’s size and insulation type.

Many pre-1980 homes in Redwood City still feature outdated or insufficient insulation, leaving them vulnerable to drafts, heat loss, and moisture intrusion. Upgrading to modern solutions like spray foam or fire-resistant batts can dramatically improve energy efficiency and comfort. With utility rebate programs available for qualifying projects, investing in professional insulation services is a smart way to enhance your home’s performance while aligning with local regulations.

Insulation FAQs

Insulation Pros typically offer a variety of insulation types to suit different needs. These include:

  • Spray Foam Insulation: Great for sealing gaps and providing high R-value thermal resistance.
  • Fiberglass Insulation: Available in batts or loose-fill, a cost-effective and common choice.
  • Cellulose Insulation: Made from recycled materials and often used for attic spaces.
  • Rigid Foam Boards: Ideal for basements or walls requiring a rigid barrier.
  • Reflective or Radiant Barrier Insulation: Popular in warmer regions to manage heat transfer.

Choosing the right insulation depends on your goals, budget, and the area of your home that needs insulation.

The cost of insulation services depends on the type of insulation and the project's scope. Nationwide, homeowners can expect these general price ranges:

  • Spray foam insulation: $1,500–$5,000 (for 1,000 square feet)
  • Fiberglass insulation: $500–$2,500 (for 1,000 square feet)
  • Cellulose insulation: $500–$3,000 (for 1,000 square feet)
  • Rigid foam: $1,500–$4,000 (varies by thickness and installation)

Note: Costs can vary based on Redwood City, labor rates, and material prices. It's best to get at least three quotes to compare.

Signs that your home may need better insulation include:

  • High energy bills: Poor insulation often leads to increased heating and cooling costs.
  • Temperature inconsistencies: Rooms that are too hot or cold compared to others.
  • Drafty areas: Air leaks around windows, doors, or attics.
  • Ice dams: In colder climates, ice buildup on roof edges is a sign of poor attic insulation.
  • Difficulty maintaining temperature: Heating and cooling systems working overtime to maintain comfort.

In Redwood City, you may also want to consider weather-specific insulation needs, such as higher R-value materials for cold winters or reflective barriers for hot summers.

Yes, reputable insulation contractors, like those in the Insulation Pros network, should always be licensed, bonded, and insured. Licensing requirements can vary by state, so it’s essential to verify whether your contractor meets the local standards. For more details, visit a trusted resource like the National Association of State Contractors Licensing Agencies (NASCLA). This ensures that the work is performed by trained professionals and protects you from potential liabilities.

When speaking with an insulation contractor, ask the following key questions:

  • What type of insulation would you recommend and why?
  • What is the estimated R-value after installation?
  • How long will the project take?
  • Do you offer warranties on materials or labor?
  • Are you licensed, insured, and bonded?
  • Can you provide references or reviews from previous clients?

These questions help ensure you’re hiring a professional who understands your needs and can deliver quality results at a fair price.

The timeline for insulation installation depends on the size of your home and the type of insulation. Generally:

  • Attic insulation: 1–2 days
  • Wall insulation: 2–4 days (for retrofits)
  • Spray foam insulation: 1–3 days

Larger projects or complex services (e.g., removing old insulation) may take longer. Discuss the timeframe with your contractor before work begins to set clear expectations.

Yes, adding insulation can increase your home’s resale value. Improved insulation enhances energy efficiency, which is highly attractive to buyers. According to studies, insulating your attic alone can have a return on investment (ROI) of over 100% in many cases. Buyers also appreciate lower utility bills and improved comfort, making insulation improvements a valuable selling point.

Some warning signs to be cautious of include:

  • Unlicensed contractors: Always verify credentials before hiring.
  • Lack of written estimates: Professional contractors should provide detailed itemized estimates.
  • No references or reviews: Reputable companies have a track record of satisfied customers.
  • High-pressure sales tactics: Be wary of contractors pushing you to decide immediately.
  • No clear explanation of R-values or materials: A competent pro should discuss these details upfront.

In the U.S., insulation materials and installation are often governed by standards like:

  • R-value guidelines: Set by the U.S. Department of Energy, indicating thermal resistance.
  • Building codes: Set regionally, specifying insulation performance requirements.
  • EPA standards: For environmentally safe materials, such as ENERGY STAR-rated products.

For specific guidelines, check the U.S. Department of Energy’s Building Technologies Office, which offers resources to homeowners.

The best type of insulation for homes in Redwood City depends on the climate and your home’s needs:

  • Colder climates: Fiberglass batts or spray foam with high R-values are ideal.
  • Warm climates: Radiant barriers or reflective insulation can help manage heat.
  • Humid climates: Spray foam insulation can seal gaps and help control moisture.
  • Mixed climates: A combination of fiberglass and spray foam may work well.

Discuss your Redwood City-specific needs with an Insulation Pros expert for a tailored recommendation.

Reviews for Insulation Pros

Lower Bills in Record Time
Our attic was losing heat like crazy, and winter was creeping in. Insulation Pros assessed the situation on a Wednesday and had the job done by Friday morning. Not only is the house warmer, but my heating bill dropped by 30%! Definitely worth it.
Emily R.
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Quiet at Last
Living near the airport was tough due to nonstop noise, but Insulation Pros had a soundproofing solution ready. They worked quickly and we noticed the difference immediately. Finally, our home feels peaceful – best decision ever!
James F.
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Fast Fix, Big Savings
We had sky-high cooling costs due to poorly insulated walls. Insulation Pros showed up within a day of my call, sealed everything up, and now I’m saving hundreds every summer. Their speed and professionalism were just what we needed!
Samantha K.
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Maria VierraEditor

Maria Vierra is the lead designer at Vierra Fine Homes, bringing over two decades of experience in high-end residential design and construction. Her expertise and attention to detail ensure every project meets the highest standards of excellence, blending functionality with aesthetic appeal.

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Brett TaylorAuthor

Brett Taylor is the co-founder of The Builder Market and a visionary entrepreneur in the home services and construction industries. With a passion for innovation, Brett has played a pivotal role in revolutionizing how professionals and homeowners connect and collaborate.

This page was last updated on Jan 10, 2026, 1:15:02 AM