Klaus & Sons Plumbing, Heating & Air Conditioning

- 5623 E Arrow Hwy, Montclair, CA 91763

For homeowners and businesses throughout the Inland Empire, finding a reliable, professional, and full-service provider for essential home comfort systems can be a significant challenge. Klaus & Sons Plumbing, Heating & Air Conditioning, based in Montclair, CA, has established itself as a trusted and highly-rated local expert. This family-owned and operated company has been serving communities like Upland, Rancho Cucamonga, Claremont, Ontario, and Chino Hills for decades, building a strong reputation for professionalism, prompt service, and technical expertise.

Klaus & Sons is not just a plumbing company; it is a complete home and commercial comfort provider. Their services span essential categories including plumbing, heating, air conditioning, and full-scale HVAC contracting. This comprehensive approach means you can rely on one highly qualified team for virtually any issue or project, from a leaky faucet to a complete new HVAC system installation. Their commitment to quality is evident in their consistently high customer ratings and the positive, long-term relationships they build with clients, including residential contractors who have relied on their work for over 15 years.

In a climate like Southern California, the integrity of both your plumbing and your HVAC system is critical for comfort and safety year-round. A sudden burst pipe or a non-functional air conditioner during a heatwave requires an immediate and expert response. Klaus & Sons is fully equipped to handle these emergencies, ensuring that residents have peace of mind knowing that professional help is available precisely when it is needed most.

Their team of expert technicians and plumbers is highly trained and undergoes continuous education to stay current with all the latest technologies, repair methods, and energy-efficient solutions in the industry. They are skilled in working with all brands, makes, and models of HVAC equipment, offering solutions that are efficient and compliant with all state and local codes and building guidelines in the Montclair area and beyond.

One of the core values highlighted by their customer base is an unwavering commitment to honesty and fair business practices. Customers appreciate the clarity and transparency in their pricing, including free in-home estimates for major repairs or system replacements. In one specific instance, a customer noted the honesty of a technician who diagnosed a minor clogged AC drainage issue rather than pushing for a costly, unnecessary full-unit replacement. This dedication to doing the right thing, even when it means less immediate profit, is a hallmark of their operation.

Klaus & Sons Plumbing, Heating & Air Conditioning is centrally located to efficiently serve the vast Inland Empire region of Southern California. Their primary address is:

5623 E Arrow Hwy, Montclair, CA 91763, USA

This Montclair location provides easy access to the surrounding cities, allowing for prompt service appointments and rapid response times for emergencies across a wide service area that includes:

• Montclair
• Upland
• Rancho Cucamonga
• Claremont
• Ontario
• Chino Hills
• Pomona
• San Dimas
• Fontana
• Diamond Bar
• La Verne
• Glendora
• And many other communities in San Bernardino and Riverside Counties.

For added convenience and speed of service, they offer online estimates and provide on-site services directly to your home or business.

Klaus & Sons offers a vast array of services covering the full spectrum of plumbing and HVAC needs for both residential and commercial properties.

Plumbing Services:

• Faucet installation and repair
• Toilet installation and repair
• Shower installation and repair
• Plumbing leak detection and repair
• Plumbing pipe repair
• Water heater installation, repair, and service (tank and tankless)
• Water tank installation and repair
• Drain cleaning and sewer cleaning
• Sewer repair
• Garbage disposal installation and repair
• Sump pump installation and repair
• Outdoor plumbing system repair
• Commercial Plumbing Services
• Gas Line Leak Repair
• Low Water Pressure Services and Plumbing Valve Repairs

Heating, Air Conditioning, and Full HVAC Services:

• A/C system maintenance and repair
• Heating system installation, maintenance, and repair
• Full HVAC system maintenance and repair
• Installation of new AC units
• Thermostat installation and repair
• Furnace service, repair, maintenance, installation, and replacement
• AC service, repair, maintenance, installation, and replacement
• Commercial HVAC Services
• Indoor Air Quality Services

This comprehensive service list solidifies their position as a versatile and reliable contractor capable of addressing virtually any heating, cooling, or plumbing challenge a local resident might face.

Klaus & Sons distinguishes itself in the highly competitive Southern California service market through several key business features that prioritize customer satisfaction and reliability.

• 24-Hour Emergency Service: They offer round-the-clock, 24/7 emergency service for urgent plumbing and HVAC issues, including burst pipes and broken water heaters, ensuring that help is available day or night.
• Long-Standing Local Experience: The company has been serving the Upland and surrounding communities since 1973, reflecting deep local knowledge and decades of industry experience.
• Highly-Rated Reputation: They maintain a consistently high customer rating, often around 4.9 out of 5 stars, with reviews frequently praising the professionalism, expertise, and friendliness of their technicians.
• 100% Satisfaction Guarantee: Klaus & Sons stands behind their work with a guarantee that the job is not finished until the customer is completely satisfied.
• Residential and Commercial Expertise: They provide expert service for both homes and businesses, offering specialized solutions for each sector.
• Flexible Payment Options: For ease of transaction, they accept major credit cards and NFC mobile payments.
• Certified and Trained Staff: All plumbers and HVAC technicians are certified, highly trained, and participate in continuous education to ensure top-tier service quality.

To schedule a service appointment, request an emergency repair, or get an online estimate, you can contact the Montclair office using the following information:

Address: 5623 E Arrow Hwy, Montclair, CA 91763, USA

Phone Number: (909) 982-5698 (Available 24/7 for emergencies)

Choosing the right contractor for your plumbing, heating, and air conditioning needs is about more than just finding someone who can fix a problem; it’s about choosing a partner you can trust with your home comfort and safety. Klaus & Sons Plumbing, Heating & Air Conditioning presents a compelling case for being the preferred choice for Inland Empire residents.

One of the most valuable qualities noted by customers is the team's professional integrity. The example of a technician advising against an unnecessary system replacement perfectly illustrates this commitment. When facing a critical and expensive decision—like replacing a 20-year-old furnace and AC—you want an expert who prioritizes your needs and budget over a quick sale. The fully refunded deposit on a potential upgrade, following the correct, less expensive diagnosis, speaks volumes about the management's commitment to customer-first service.

Furthermore, their comprehensive service offering—plumbing, heating, and cooling under one roof—eliminates the stress of having to coordinate multiple specialty contractors. Whether you have a severe drain clog, a malfunctioning water heater, or require a new, energy-efficient HVAC installation, one call handles it all. Their decades of operation since 1973 demonstrate a stable business model and a long-term investment in the local community. For California residents seeking an experienced, trustworthy, and all-in-one solution for their residential and commercial mechanical systems, the consistent reliability and stellar reputation of Klaus & Sons make them a standout choice in the Montclair and broader Inland Empire area. The positive testimonials confirm that their technicians are not only highly skilled but also friendly, knowledgeable, and respectful of your home, ensuring that work areas are left clean and all complexities are explained in a clear, patient manner.

Klaus & Sons Plumbing, Heating & Air Conditioning

5623 E Arrow Hwy, Montclair, CA 91763, USA