“Household Enhancement” had a good quality that all sitcoms attempt for: chemistry amongst qualified prospects Tim Allen and Richard Karn.

Allen, now 67, and Karn, now 65, starred with each other in the hit comedy collection for 8 seasons from 1991-1999. They performed Tim Taylor and Al Borland, respectively — hosts of the fictional tv series “Device Time.”

Now, the pair are reuniting for a new reality sequence, “Assembly Required,” for the Heritage Channel, which will see them oversee contestants correcting up and refurbishing day to day family products.

At the show’s TCA panel on Thursday, the co-stars reflected on their on-monitor chemistry.

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“When we started performing ‘Home Advancement,’ we had audiences looking at ‘Tool Time’ that hadn’t noticed the demonstrate at all,” Kern recalled. “Our partnership kind of happened in advance of we knew what it was. We took our cues from viewers reactions to us, but we failed to know there was anything at all seriously outstanding about how we have been taking part in off each other.”

The actor included that he and Allen had been just undertaking their job, but “the writers were in a position to enjoy that and lean into it and compose for it.”

Kern also recalled Allen the moment admitting that he’d “by no means be good friends with Al” early in their time operating together.

“We truly weren’t in the same circle of friendship at that level, but they retained producing into it, leaning into it,” he added. “And as we got to know each other, I think that romantic relationship just flowered.”

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Allen then praised his co-star, contacting him a “consummate skilled and a truly relaxed-hearted individual” that assisted him transition into the are living structure of “Assembly Necessary.”

The “Past Person Standing” star claimed that their connection now is very equivalent to what it was all through the “Household Enhancement” times.

“This is the most uncommon practical experience,” said the comic of filming a truth present. “But [Karn] was in a position to convey it back again down and be particularly like we were at ‘Tool Time.’ It really is amazing how this is an expansion of that marriage.”

Tim Allen (left) and Richard Karn (right) in 'Home Improvement.' (Photo by Walt Disney Television via Getty Images Photo Archives/Walt Disney Television via Getty Images)

Tim Allen (still left) and Richard Karn (right) in ‘Home Advancement.’ (Picture by Walt Disney Tv by using Getty Photographs Picture Archives/Walt Disney Tv by using Getty Photos)

Reuniting soon after three a long time was a large deal for the duo as properly, although when Allen was developing the present, he “never” considered about involving Karn until eventually anyone instructed he reach out and provide him a co-hosting gig.

“He jumped at the probability,” shared Allen. “It became the two of us, kind of a stay edition of ‘Tool Time,’ if you will.”

Allen also resolved whether he is truly a handyman himself, and although he stated he likes “using things apart” and even has a shop at his property, there is a person dwelling advancement task that often looks to stump him.

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“Oddly sufficient, I am quite confused about plumbing. I never know what it is about plumbing,” he admitted. “We just experienced our huge sink plug up and identified a wad of some thing in there. … Plumbing is my major challenge.”

The star explained that his curiosity in handiness was a “natural matter” for him, as he followed in the footsteps of his late father, a automobile fanatic.

“I’ve normally cherished shop course, I’ve normally appreciated constructing stuff and I have always run all-around store academics who shell out an inordinate sum of time in the set up and cleanse up portion of it,” he shared.

A person trouble the duo confronted was filming amid the coronavirus pandemic, which they did remotely, filming from people’s have shops. On the other hand, it wasn’t all bad as it turns out.

Richard Karn (left) and Tim Allen (right) are reuniting for a home improvement competition series, 'Assembly Required,' for the History Channel. (Photo by Leon Bennett/FilmMagic)

Richard Karn (left) and Tim Allen (proper) are reuniting for a residence improvement competition series, ‘Assembly Required,’ for the Record Channel. (Photograph by Leon Bennett/FilmMagic)

“It was an unintended optimistic consequence, going to these peoples’ outlets,” Allen defined, noting that “all protocols were being stored in position.”

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Karn added: “For the reason that we were being compelled to do it in our separate space, you also realize all over the state that wi-fi and that means to access the outside entire world is not as easy for everyone. I signify, faculties are finding that out suitable now. But we … sometimes experienced to hold out a although to make absolutely sure that the wi-fi and the cameras and anything, we are feeding us back all the information.”

He defined that seeing the jobs remotely right before looking at them in person resulted in “a small bit of a disconnect” as they understood that contestants’ initiatives were being far more intricate than they initially appeared.

Filming was an emotional practical experience as effectively.

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“It received pretty emotional. I am not a large admirer of judging artwork or films or everything, and this was genuinely hard due to the fact the desire and the determination for these males and women was unbelievable,” Allen explained. “Nonetheless, we established the present up to have a winner and it acquired extremely challenging for me … to judge people.”

“Assembly Essential” starts airing on Feb. 23.