Jordan H.
Order took nearly a year to deliver two…
Order took nearly a year to deliver two bottles of rust inhibitor

At MBtek, we’re all about bringing reliable comfort to your space. We offer high-efficiency hydronic heating and cooling systems, specializing in advanced heat pumps, boilers, and climate components.We understand how frustrating rising utility bills can be and how complex it is to find the right HVAC setup. That’s why we provide dependable alternatives to traditional systems that perform consistently in any weather. When you work with us, you deal with our team directly, giving you access to dedicated technical support and smart controls to guide you through your system integration.
MBtek Inc. (mbtek.com) has 50 customer reviews on Five Star Index, with an average rating of 3.6 out of 5.
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Showing 14 reviews with 1 star · Clear filters
Jordan H.
Order took nearly a year to deliver two bottles of rust inhibitor
JC
Not at all trustworthy in my opinion, spend a little more for peace of mind vs. wasting your money with them. Worth noting that at least one of the rare positive reviews on here of MBTek, is someone who shares a nationality and unique name with an MBTek employee per LinkedIn. Suspicious. My ERV failed in early August, about 7 months after purchase, a clear defect. It took MBTek 6 days just to admit that in writing. Then support went dark: I called over 20 times, left voicemails (their own message promises a callback within 30 minutes), and got exactly one pickup and one returned call. When they finally responded, they quoted 4-6 weeks for a replacement, meaning 6-8 weeks total with no working ventilation in my home. That same day, MBTek's own website checkout showed 8-35 days for a brand-new order of the identical unit. An existing customer with a defective unit was quoted worse terms than a stranger placing a new order. After I pushed back, a rep verbally agreed on the phone to refund me instead of replacing it. 49 minutes later, I received a written email flatly refusing any refund, citing a policy that contradicted what I'd just been told, addressed to a completely different customer's name, about a different product model. They hadn't even checked whose account they were emailing. I ended up buying the same unit elsewhere for 25% more, just to get working ventilation, because I couldn't trust MBTek to deliver on any timeline they gave me. The hardware might be fine when it works. Their support and warranty process is not something you want to depend on if it doesn't.
Vitali F.
Replacement part lead time was more than 2 months. Tech support never got back to me on the inquiries I have.
Jonathan D.
If the worst company in the world would shut down, MBTek would be next in line. It all started in April when I place an order. 2 weeks later it still hadn’t been shipped so I decided to cancel the order. That’s when the trouble started. They didn’t really want to refund my money. They offered in store credit, discounts and I’m not sure what else all. All I wanted was my money and move on. It took about 50 phones calls and countless unanswered emails. Then finally when they decided to refund my money they said they would do it in 3 instalments 1 week apart. Do you think that happened, surprise, another lie. Finally after about 1.5 months I received all the money I was owed and that was at the end of July. So in short if you ever feel like wasting your time, place an order with MBTEK
Dave
Buyer Beware – My Experience with MBTek Apollo Fan Coil Units I’m posting this to share my firsthand experience with MBTek Apollo fan coil units so that others can make an informed purchasing decision. I purchased four MBTek Apollo chilled-water fan coil units for my home. Unfortunately, I experienced multiple problems: * Two of the four original units developed water leaks. * MBTek replaced the two leaking units under warranty. * Both replacement units then had thermostat control issues. The installation documentation indicated a standard 24V thermostat connection, but I measured approximately 24V DC at the thermostat terminals instead of the 24V AC required by standard HVAC thermostats such as Ecobee. * A third original unit later experienced a fan failure. To eliminate installation errors, I verified the wiring multiple times, tested different thermostats, and measured the control voltages with a multimeter. During troubleshooting, MBTek asked me to remove the control boards from the original leaking units and install them into the replacement units to determine whether the problem followed the control boards. I was not comfortable dismantling warranty replacement units to diagnose what I believed was a manufacturing issue. After months of troubleshooting, the thermostat compatibility issue remained unresolved. Based on my experience, I did not find MBTek’s technical support to be helpful in resolving the problems. Eventually, I requested a full refund for all four fan coil units. As of the time of writing this post, I have not received a response to my refund request. After experiencing: * Two leaking units, * Two replacement units with thermostat compatibility issues, * A fan failure on a third unit, and * An unresolved warranty claim, I no longer have confidence in the product and cannot recommend it. If you’re considering these fan coil units, I recommend thoroughly testing every function immediately after installation and confirming compatibility with your thermostat before committing to the system. This post reflects my personal experience with four MBTek Apollo fan coil units. Others may have had different experiences. If you’ve used these units, I’d be interested in hearing about your experience.
Bruns
This company is on the verge of bankruptcy, use caution when dealing with them, they will promise the products and then after you purchase they will delay delivery for months, if they deliver at all. Employees are not getting paid and they are not honoring pending orders, search MBtek on Redit to confirm
Response from MBtek Inc.Oct 23, 2026
Bruns, we take these concerns seriously. Our team will reach out to you directly to review your experience, address any outstanding issues, and provide clarification where needed.